The optimal sixth-order, six-stage method ($c=0.18$): $$\begin{array}{|rr} \mu_{21} = 0.306709397198437 & \mu_{22} = 0.306709397198281 \\ \mu_{31} = 0.100402778173265 & \mu_{32} = 0.000000014622272 \\ \mu_{33} = 0.100402700098726 & \mu_{41} = 0.000015431349319 \\ \mu_{42} = 0.000708584139276 & \mu_{43} = 0.383195003696784 \\ \mu_{44} = 0.028228318307509 & \mu_{51} = 0.101933808745384 \\ \mu_{52} = 0.000026687930165 & \mu_{53} = 0.136711477475771 \\ \mu_{54} = 0.331296656179688 & \mu_{55} = 0.107322255666019 \\ \mu_{61} = 0.000033015066992 & \mu_{62} = 0.000000017576816 \\ \mu_{63} = 0.395057247524893 & \mu_{64} = 0.014536993458566 \\ \mu_{65} = 0.421912313467517 & \mu_{66} = 0.049194928995335 \\ \mu_{71} = 0.054129307323559 & \mu_{72} = 0.002083586568620 \\ \mu_{73} = 0.233976271277479 & \mu_{74} = 0.184897163424393 \\ \mu_{75} = 0.303060566272042 & \mu_{76} = 0.135975816243004 \\ \lambda_{21} = 0.055928810359256 & \lambda_{31} = 0.018308561756789 \\ \lambda_{32} = 0.000000002666388 & \lambda_{41} = 0.000002813924247 \\ \lambda_{42} = 0.000129211130507 & \lambda_{43} = 0.069876048429340 \\ \lambda_{51} = 0.018587746937629 & \lambda_{52} = 0.000004866574675 \\ \lambda_{53} = 0.024929494718837 & \lambda_{54} = 0.060412325234826 \\ \lambda_{61} = 0.000006020335333 & \lambda_{62} = 0.000000003205153 \\ \lambda_{63} = 0.072039142196788 & \lambda_{64} = 0.002650837430364 \\ \lambda_{65} = 0.076936194272824 & \lambda_{71} = 0.009870541274021 \\ \lambda_{72} = 0.000379944400556 & \lambda_{73} = 0.042665841426363 \\ \lambda_{74} = 0.033716209818106 & \lambda_{75} = 0.055263441854804 \\ \lambda_{76} = 0.024795346049276 \\ \end{array} $$ The optimal sixth-order, seven-stage method ($c=0.26$): $$\begin{array}{rr} \mu_{21} = 0.090485932570398 \\ \mu_{22} = 0.090485932570397 \\ \mu_{32} = 0.346199513509666 \\ \mu_{33} = 0.056955495796615 \\ \mu_{41} = 0.089183260058590 \\ \mu_{42} = 0.122181527536711 \\ \mu_{43} = 0.340520235772773 \\ \mu_{44} = 0.086699362107543 \\ \mu_{51} = 0.214371998459638 \\ \mu_{52} = 0.046209156887254 \\ \mu_{53} = 0.215162143673919 \\ \mu_{54} = 0.000000362542364 \\ \mu_{55} = 0.209813410800754 \\ \mu_{61} = 0.000000591802702 \\ \mu_{62} = 0.390556634551239 \\ \mu_{63} = 0.000000491944026 \\ \mu_{64} = 0.330590135449081 \\ \mu_{65} = 0.007410530577593 \\ \mu_{66} = 0.070407008959133 \\ \mu_{71} = 0.000000021842570 \\ \mu_{72} = 0.325421794191472 \\ \mu_{73} = 0.069025907032937 \\ \mu_{74} = 0.373360315300742 \\ \mu_{75} = 0.007542750523234 \\ \mu_{76} = 0.005465714557738 \\ \mu_{77} = 0.063240270982556 \\ \mu_{81} = 0.044161355044152 \\ \mu_{82} = 0.204837996136028 \\ \mu_{83} = 0.191269829083813 \\ \mu_{84} = 0.255834644704751 \\ \mu_{85} = 0.015984178241749 \\ \mu_{86} = 0.016124165979879 \\ \mu_{87} = 0.151145768228502 \\ \lambda_{21} = 0.023787133610744 \\ \lambda_{32} = 0.091009661390427 \\ \lambda_{41} = 0.023444684301672 \\ \lambda_{42} = 0.032119338749362 \\ \lambda_{43} = 0.089516680829776 \\ \lambda_{51} = 0.056354565012571 \\ \lambda_{52} = 0.012147561037311 \\ \lambda_{53} = 0.056562280060094 \\ \lambda_{54} = 0.000000095305905 \\ \lambda_{61} = 0.000000155574348 \\ \lambda_{62} = 0.102670355321862 \\ \lambda_{63} = 0.000000129323288 \\ \lambda_{64} = 0.086906235023916 \\ \lambda_{65} = 0.001948095974350 \\ \lambda_{71} = 0.000000005742021 \\ \lambda_{72} = 0.085547570527144 \\ \lambda_{73} = 0.018145676643359 \\ \lambda_{74} = 0.098149750494075 \\ \lambda_{75} = 0.001982854233713 \\ \lambda_{76} = 0.001436838619770 \\ \lambda_{81} = 0.011609230551384 \\ \lambda_{82} = 0.053848246287940 \\ \lambda_{83} = 0.050281417794762 \\ \lambda_{84} = 0.067254353278777 \\ \lambda_{85} = 0.004201954631994 \\ \lambda_{86} = 0.004238754905099 \\ \lambda_{87} = 0.039733519691061 \\ \end{array} $$ The optimal sixth-order, eight-stage method ($c=2.25$): $$ \begin{array}{rr} \mu_{21} = 0.078064586430339 \\ \mu_{22} = 0.078064586430334 \\ \mu_{31} = 0.000000000128683 \\ \mu_{32} = 0.207887720440412 \\ \mu_{33} = 0.051491724905522 \\ \mu_{41} = 0.039407945831803 \\ \mu_{43} = 0.256652317630585 \\ \mu_{44} = 0.062490509654886 \\ \mu_{51} = 0.009678931461971 \\ \mu_{52} = 0.113739188386853 \\ \mu_{54} = 0.227795405648863 \\ \mu_{55} = 0.076375614721986 \\ \mu_{62} = 0.010220279377975 \\ \mu_{63} = 0.135083590682973 \\ \mu_{65} = 0.235156310567507 \\ \mu_{66} = 0.033370798931382 \\ \mu_{72} = 0.000000009428737 \\ \mu_{73} = 0.112827524882246 \\ \mu_{74} = 0.001997541632150 \\ \mu_{75} = 0.177750742549303 \\ \mu_{76} = 0.099344022703332 \\ \mu_{77} = 0.025183595544641 \\ \mu_{81} = 0.122181071065616 \\ \mu_{82} = 0.000859535946343 \\ \mu_{83} = 0.008253954430873 \\ \mu_{84} = 0.230190271515289 \\ \mu_{85} = 0.046429529676480 \\ \mu_{86} = 0.017457063072040 \\ \mu_{87} = 0.017932893410781 \\ \mu_{88} = 0.322331010725841 \\ \mu_{91} = 0.011069087473717 \\ \mu_{92} = 0.010971589676607 \\ \mu_{93} = 0.068827453812950 \\ \mu_{94} = 0.048864283062331 \\ \mu_{95} = 0.137398274895655 \\ \mu_{96} = 0.090347431612516 \\ \mu_{97} = 0.029504401738350 \\ \mu_{98} = 0.000167109498102 \\ \lambda_{21} = 0.175964293749273 \\ \lambda_{31} = 0.000000000290062 \\ \lambda_{32} = 0.468596806556916 \\ \lambda_{41} = 0.088828900190110 \\ \lambda_{43} = 0.578516403866171 \\ \lambda_{51} = 0.021817144198582 \\ \lambda_{52} = 0.256377915663045 \\ \lambda_{54} = 0.513470441684846 \\ \lambda_{62} = 0.023037388973687 \\ \lambda_{63} = 0.304490034708070 \\ \lambda_{65} = 0.530062554633790 \\ \lambda_{72} = 0.000000021253185 \\ \lambda_{73} = 0.254322947692795 \\ \lambda_{74} = 0.004502630688369 \\ \lambda_{75} = 0.400665465691124 \\ \lambda_{76} = 0.223929973789109 \\ \lambda_{81} = 0.275406645480353 \\ \lambda_{82} = 0.001937467969363 \\ \lambda_{83} = 0.018605123379003 \\ \lambda_{84} = 0.518868675379274 \\ \lambda_{85} = 0.104656154246370 \\ \lambda_{86} = 0.039349722004217 \\ \lambda_{87} = 0.040422284523661 \\ \lambda_{91} = 0.024950675444873 \\ \lambda_{92} = 0.024730907022402 \\ \lambda_{93} = 0.155143002154553 \\ \lambda_{94} = 0.110144297841125 \\ \lambda_{95} = 0.309707532056893 \\ \lambda_{96} = 0.203650883489192 \\ \lambda_{97} = 0.066505459796630 \\ \lambda_{98} = 0.000376679185235 \\ \end{array} $$ The optimal sixth-order, nine-stage method ($c=5.80$): $$ \begin{array}{rr} \mu_{21} = 0.060383920365295 \\ \mu_{22} = 0.060383920365140 \\ \mu_{31} = 0.000000016362287 \\ \mu_{32} = 0.119393671070984 \\ \mu_{33} = 0.047601859039825 \\ \mu_{42} = 0.000000124502898 \\ \mu_{43} = 0.144150297305350 \\ \mu_{44} = 0.016490678866732 \\ \mu_{51} = 0.014942049029658 \\ \mu_{52} = 0.033143125204828 \\ \mu_{53} = 0.020040368468312 \\ \mu_{54} = 0.095855615754989 \\ \mu_{55} = 0.053193337903908 \\ \mu_{61} = 0.000006536159050 \\ \mu_{62} = 0.000805531139166 \\ \mu_{63} = 0.015191136635430 \\ \mu_{64} = 0.054834245267704 \\ \mu_{65} = 0.089706774214904 \\ \mu_{71} = 0.000006097150226 \\ \mu_{72} = 0.018675155382709 \\ \mu_{73} = 0.025989306353490 \\ \mu_{74} = 0.000224116890218 \\ \mu_{75} = 0.000125522781582 \\ \mu_{76} = 0.125570620920810 \\ \mu_{77} = 0.019840674620006 \\ \mu_{81} = 0.000000149127775 \\ \mu_{82} = 0.000000015972341 \\ \mu_{83} = 0.034242827620807 \\ \mu_{84} = 0.017165973521939 \\ \mu_{85} = 0.000000000381532 \\ \mu_{86} = 0.001237807078917 \\ \mu_{87} = 0.119875131948576 \\ \mu_{88} = 0.056749019092783 \\ \mu_{91} = 0.000000072610411 \\ \mu_{92} = 0.000000387168511 \\ \mu_{93} = 0.000400376164405 \\ \mu_{94} = 0.000109472445726 \\ \mu_{95} = 0.012817181286633 \\ \mu_{96} = 0.011531979169562 \\ \mu_{97} = 0.000028859233948 \\ \mu_{98} = 0.143963789161172 \\ \mu_{99} = 0.060174596046625 \\ \mu_{10,1} = 0.001577092080021 \\ \mu_{10,2} = 0.000008909587678 \\ \mu_{10,3} = 0.000003226074427 \\ \mu_{10,4} = 0.000000062166910 \\ \mu_{10,5} = 0.009112668630420 \\ \mu_{10,6} = 0.008694079174358 \\ \mu_{10,7} = 0.017872872156132 \\ \mu_{10,8} = 0.027432316305282 \\ \mu_{10,9} = 0.107685980331284 \\ \lambda_{21} = 0.350007201986739 \\ \lambda_{31} = 0.000000094841777 \\ \lambda_{32} = 0.692049215977999 \\ \lambda_{42} = 0.000000721664155 \\ \lambda_{43} = 0.835547641163090 \\ \lambda_{51} = 0.086609559981880 \\ \lambda_{52} = 0.192109628653810 \\ \lambda_{53} = 0.116161276908552 \\ \lambda_{54} = 0.555614071795216 \\ \lambda_{61} = 0.000037885959162 \\ \lambda_{62} = 0.004669151960107 \\ \lambda_{63} = 0.088053362494510 \\ \lambda_{64} = 0.317839263219390 \\ \lambda_{65} = 0.519973146034093 \\ \lambda_{71} = 0.000035341304071 \\ \lambda_{72} = 0.108248004479122 \\ \lambda_{73} = 0.150643488255346 \\ \lambda_{74} = 0.001299063147749 \\ \lambda_{75} = 0.000727575773504 \\ \lambda_{76} = 0.727853067743022 \\ \lambda_{81} = 0.000000864398917 \\ \lambda_{82} = 0.000000092581509 \\ \lambda_{83} = 0.198483904509141 \\ \lambda_{84} = 0.099500236576982 \\ \lambda_{85} = 0.000000002211499 \\ \lambda_{86} = 0.007174780797111 \\ \lambda_{87} = 0.694839938634174 \\ \lambda_{91} = 0.000000420876394 \\ \lambda_{92} = 0.000002244169749 \\ \lambda_{93} = 0.002320726117116 \\ \lambda_{94} = 0.000634542179300 \\ \lambda_{95} = 0.074293052394615 \\ \lambda_{96} = 0.066843552689032 \\ \lambda_{97} = 0.000167278634186 \\ \lambda_{98} = 0.834466572009306 \\ \lambda_{10,1} = 0.009141400274516 \\ \lambda_{10,2} = 0.000051643216195 \\ \lambda_{10,3} = 0.000018699502726 \\ \lambda_{10,4} = 0.000000360342058 \\ \lambda_{10,5} = 0.052820347381733 \\ \lambda_{10,6} = 0.050394050390558 \\ \lambda_{10,7} = 0.103597678603687 \\ \lambda_{10,8} = 0.159007699664781 \\ \lambda_{10,9} = 0.624187175011814 \\ \end{array} $$ The optimal sixth-order, ten-stage method ($c=8.10$): $$ \begin{array}{rr} \mu_{21} = 0.054638144097621 \\ \mu_{22} = 0.054638144097609 \\ \mu_{32} = 0.094708145223810 \\ \mu_{33} = 0.044846931722606 \\ \mu_{43} = 0.108958403164940 \\ \mu_{44} = 0.031071352647397 \\ \mu_{51} = 0.004498251069701 \\ \mu_{52} = 0.005530448043688 \\ \mu_{54} = 0.107851443619437 \\ \mu_{55} = 0.018486380725450 \\ \mu_{62} = 0.015328210231111 \\ \mu_{63} = 0.014873940010974 \\ \mu_{64} = 0.000000013999299 \\ \mu_{65} = 0.093285690103096 \\ \mu_{66} = 0.031019852663844 \\ \mu_{73} = 0.023345108682580 \\ \mu_{74} = 0.000000462051194 \\ \mu_{76} = 0.100142283610706 \\ \mu_{77} = 0.037191650574052 \\ \mu_{84} = 0.020931607249912 \\ \mu_{85} = 0.007491225374492 \\ \mu_{86} = 0.000000004705702 \\ \mu_{87} = 0.094887152674486 \\ \mu_{88} = 0.041052752299292 \\ \mu_{94} = 0.000000000437894 \\ \mu_{95} = 0.013484714992727 \\ \mu_{96} = 0.012301077330264 \\ \mu_{98} = 0.097178530400423 \\ \mu_{99} = 0.039273658398104 \\ \mu_{10,1} = 0.000987065715240 \\ \mu_{10,2} = 0.000000347467847 \\ \mu_{10,6} = 0.004337021151393 \\ \mu_{10,7} = 0.011460261685365 \\ \mu_{10,8} = 0.002121689510807 \\ \mu_{10,9} = 0.104338127248348 \\ \mu_{10,10} = 0.042268075457472 \\ \mu_{11,3} = 0.000656941338471 \\ \mu_{11,7} = 0.015039465910057 \\ \mu_{11,8} = 0.004816543620956 \\ \mu_{11,9} = 0.031302441038151 \\ \mu_{11,10} = 0.071672462436845 \\ \lambda_{21} = 0.442457635916190 \\ \lambda_{32} = 0.766942997969774 \\ \lambda_{43} = 0.882341050812911 \\ \lambda_{51} = 0.036426667979449 \\ \lambda_{52} = 0.044785360253007 \\ \lambda_{54} = 0.873376934047102 \\ \lambda_{62} = 0.124127269944714 \\ \lambda_{63} = 0.120448606787528 \\ \lambda_{64} = 0.000000113365798 \\ \lambda_{65} = 0.755424009901960 \\ \lambda_{73} = 0.189047812082446 \\ \lambda_{74} = 0.000003741673193 \\ \lambda_{76} = 0.810948446244362 \\ \lambda_{84} = 0.169503368254511 \\ \lambda_{85} = 0.060663661331375 \\ \lambda_{86} = 0.000000038106595 \\ \lambda_{87} = 0.768392593572726 \\ \lambda_{94} = 0.000000003546047 \\ \lambda_{95} = 0.109198714839684 \\ \lambda_{96} = 0.099613661566658 \\ \lambda_{98} = 0.786948084216732 \\ \lambda_{10,1} = 0.007993221037648 \\ \lambda_{10,2} = 0.000002813781560 \\ \lambda_{10,6} = 0.035121034164983 \\ \lambda_{10,7} = 0.092804768098049 \\ \lambda_{10,8} = 0.017181361859997 \\ \lambda_{10,9} = 0.844926230212794 \\ \lambda_{11,3} = 0.005319886250823 \\ \lambda_{11,7} = 0.121789029292733 \\ \lambda_{11,8} = 0.039004189088262 \\ \lambda_{11,9} = 0.253485990215933 \\ \lambda_{11,10} = 0.580400905152248 \\ \end{array} $$