Partial sums of A247666.

Terms

a(0) =1a(1) =8a(2) =15a(3) =40a(4) =47a(5) =96a(6) =121a(7) =224a(8) =231a(9) =280a(10) =329a(11) =504a(12) =529a(13) =704a(14) =807a(15) =1216a(16) =1223a(17) =1272a(18) =1321a(19) =1496a(20) =1545a(21) =1888a(22) =2063a(23) =2784a(24) =2809a(25) =2984a(26) =3159a(27) =3784a(28) =3887a(29) =4608