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 A036737 #5 Jul 08 2025 21:56:43 %S A036737 1,1,1,21,321,4431,63429,969087,15382545,249244338,4107163191, %T A036737 68716945920,1164359443533,19935492104010,344346982288071, %U A036737 5993536584212436,105018405221562585,1850933501297074929,32792012556842728050,583652338245954384960 %N A036737 G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = cyclic group of order 41 generated by (1,2,...,41). %Y A036737 Cf. A036717-A036726. %K A036737 nonn %O A036737 0,4 %A A036737 _N. J. A. Sloane_