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 A362646 #7 May 02 2023 17:49:14 %S A362646 1,1,4,17,159,2655,88885,4255594,271455237,21965858675,2195840991306, %T A362646 265649187979346,38249422682143111,6463715133421876832, %U A362646 1266831272565696798499,285028258254526750598805,72965650731146278648727481,21086743012582576506980525584 %N A362646 Number of nonisomorphic unordered triples of permutations of an n-set. %C A362646 Isomorphism is up to permutation of the elements of the n-set. %H A362646 Andrew Howroyd, <a href="/A362646/b362646.txt">Table of n, a(n) for n = 0..50</a> %Y A362646 Column k=3 of A362644. %Y A362646 Cf. A362645, A362650. %K A362646 nonn %O A362646 0,3 %A A362646 _Andrew Howroyd_, May 01 2023