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 A185303 #15 Nov 08 2019 15:57:26 %S A185303 0,0,0,0,0,1,100,967255,14971125930,278086517599356, %T A185303 6521004095675547914,197419530111112377546537, %U A185303 7747427934648623352166753715,392370903258277676503800999871543,25436929780226775791085690703723141426,2090584629532654146005764252197925046719651 %N A185303 Number of unlabeled digraphs on n vertices such that every vertex has outdegree 5. %H A185303 Andrew Howroyd, <a href="/A185303/b185303.txt">Table of n, a(n) for n = 1..50</a> %H A185303 L. Travis, <a href="http://arXiv.org/abs/math.CO/9811127">[math/9811127] Graphical Enumeration: A Species-Theoretic Approach</a> %Y A185303 Column k=5 of A329228. %Y A185303 Cf. A001373, A129524, A185193, A185194. %K A185303 nonn %O A185303 1,7 %A A185303 _Nathaniel Johnston_, Feb 08 2012 %E A185303 Terms a(10) and beyond from _Andrew Howroyd_, Nov 08 2019