Partial sums of A301697.

Terms

a(0) =1a(1) =6a(2) =16a(3) =32a(4) =54a(5) =81a(6) =113a(7) =150a(8) =192a(9) =240a(10) =294a(11) =353a(12) =417a(13) =486a(14) =560a(15) =640a(16) =726a(17) =817a(18) =913a(19) =1014a(20) =1120a(21) =1232a(22) =1350a(23) =1473a(24) =1601a(25) =1734a(26) =1872a(27) =2016a(28) =2166a(29) =2321