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 A362647 #6 May 02 2023 17:49:10 %S A362647 1,1,3,17,888,1882581,274390124129,3265588702832507993, %T A362647 4299566944915974710190397764,828675148077869385766758257425030178834, %U A362647 30068353582978500344223495096836001731261047276252951,257277650306758464761197063911448586633222894357360550424924677512839 %N A362647 Number of nonisomorphic multisets of permutations of an n-set with n permutations. %C A362647 Isomorphism is up to permutation of the elements of the n-set. %H A362647 Andrew Howroyd, <a href="/A362647/b362647.txt">Table of n, a(n) for n = 0..30</a> %Y A362647 Main diagonal of A362644. %Y A362647 Cf. A362651. %K A362647 nonn %O A362647 0,3 %A A362647 _Andrew Howroyd_, May 01 2023