This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A145359 #8 Jul 04 2023 13:49:22 %S A145359 1,6,78,588,6804,62496,753984,8273664,109118016,1408700160, %T A145359 20697223680,309818234880,5100265336320,87215844925440, %U A145359 1605019401216000,30898776106598400,631358784683827200,13503510009903513600,303781522335363072000,7137966147222822912000 %N A145359 Second column (m=2) of triangle A145357 (S1hat(6)). %F A145359 a(n) = A145357(n+2,2), n>=0. %Y A145359 Cf. A145357, A001725 (first column), A145360 (third column). %K A145359 nonn,easy %O A145359 1,2 %A A145359 _Wolfdieter Lang_, Oct 17 2008 %E A145359 Changed offset from 0 to 1 by _Wolfdieter Lang_, Nov 17 2008