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 A360863 #7 Feb 24 2023 21:46:59 %S A360863 0,1,3,5,13,36,99,301,980,3345,12036,45399,178420,729149 %N A360863 Number of unlabeled connected multigraphs with n edges and degree >= 3 at each node, loops allowed. %F A360863 Inverse Euler transform of A360865. %Y A360863 Row sums of A360862. %Y A360863 Cf. A360864 (by circuit rank), A360865 (not necessarily connected). %K A360863 nonn,more %O A360863 1,3 %A A360863 _Andrew Howroyd_, Feb 24 2023