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 A027550 #10 Dec 28 2023 19:37:55 %S A027550 1,52,4719,731646,180969681,67248150516,35761409868799, %T A027550 26171895174386074,25537783651103627553,32371132757348207385432, %U A027550 52159852880632068558079935,104892775358552507916875176230,259149523892854600494809451180913,775933771666481617801146254754889372 %N A027550 Second column of A027538. %F A027550 Numerators of sequence a[2, n] in A=(b[i, j])^3 where b[i, j] = A008292(i, j) / i! if j<=i, 0 if j>i. %Y A027550 Cf. A008292, A027538. %K A027550 nonn %O A027550 2,2 %A A027550 _Olivier Gérard_ %E A027550 More terms from _Sean A. Irvine_, Nov 07 2019