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 A351264 #7 Feb 06 2022 15:00:58 %S A351264 1,1,3,9,125,1409,134649,9775233,7056026001,4365949239297, %T A351264 25236968856946209,97871747641444333569,6214784730407041487304385, %U A351264 252021162589018039813851873281,105775796091843258520649528395263873,37978893525907253948045960222247183810561 %N A351264 Number of oriented graphs on n labeled nodes whose underlying graph is regular. %H A351264 Andrew Howroyd, <a href="/A351264/b351264.txt">Table of n, a(n) for n = 0..24</a> %Y A351264 The unlabeled version is A350913. %Y A351264 Row sums of A351263. %Y A351264 Cf. A295193. %K A351264 nonn %O A351264 0,3 %A A351264 _Andrew Howroyd_, Feb 05 2022