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 A360865 #4 Feb 24 2023 21:46:50 %S A360865 0,1,3,6,16,48,130,403,1293,4346,15318,56604,217802,873022 %N A360865 Number of unlabeled multigraphs with n edges and degree >= 3 at each node, loops allowed. %F A360865 Euler transform of A360863. %Y A360865 Cf. A360863 (connected). %K A360865 nonn,more %O A360865 1,3 %A A360865 _Andrew Howroyd_, Feb 24 2023