Fifth partial sums of sixth powers (A001014).

Terms

a(0) =1a(1) =69a(2) =1064a(3) =8736a(4) =49350a(5) =216342a(6) =787968a(7) =2489448a(8) =7024407a(9) =18074875a(10) =43072848a(11) =96186272a(12) =203145852a(13) =408774588a(14) =788378400a(15) =1464523344a(16) =2631173181a(17) =4587701601a(18) =7785938104a(19) =12894168000a(20) =20882898530a(21) =33138238770