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 A364088 #11 Aug 05 2023 22:32:54 %S A364088 1,2,9,37,186,985,5953,38689,271492,2016845,15767277,128792803, %T A364088 1094819196,9652396448,88040449618,829019941267,8044691126159, %U A364088 80322444793338,824036583310711,8675576699596604,93627696274152013 %N A364088 Number of directed multigraphs with loops containing n edges and an infinite number of vertices modulo isomorphism and reversal of all edge directions. %H A364088 MathOverflow, <a href="https://mathoverflow.net/a/450056/495650">Answer to question on counting directed graphs</a> %Y A364088 Cf. A052171 (without identifying graphs obtained from each other by reversal of all edge directions). %K A364088 nonn %O A364088 0,2 %A A364088 _Saibal Mitra_, Jul 04 2023