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 A036731 #5 Jul 08 2025 21:56:01 %S A036731 1,1,1,9,65,477,3785,31533,270337,2371263,21193149,192284739, %T A036731 1766310505,16394986515,153535816653,1448874875343,13764044479777, %U A036731 131523942026598,1263329497333535,12190965137205164,118130808506571613,1148989417789699082 %N A036731 G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = cyclic group of order 17 generated by (1,2,...,17). %Y A036731 Cf. A036717-A036726. %K A036731 nonn %O A036731 0,4 %A A036731 _N. J. A. Sloane_