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 A361583 #6 Mar 16 2023 19:46:35 %S A361583 1,1,3,12,88,1217,34672,2039085,246005109,60296886108,29828186693218, %T A361583 29663937774464786,59172529527454608139,236453014376786629601848, %U A361583 1891427400988740573006253862,30274661556583530830890359188257,969429810937979825934973090455224882 %N A361583 Number of digraphs on n unlabeled nodes whose strongly connected components are complete digraphs. %o A361583 (PARI) A361583seq(16) \\ See PARI link in A350794 for program code. %Y A361583 The labeled version is A361560. %Y A361583 Cf. A000273, A350794, A361584, A361585. %K A361583 nonn %O A361583 0,3 %A A361583 _Andrew Howroyd_, Mar 16 2023