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 A362828 #9 May 09 2023 15:36:32 %S A362828 1,1,4,48,2016,130440,30672720,11608682400,12055770800640, %T A362828 24154259257215360,117792549941415955200,1161512734993746635808000, %U A362828 25629823970496421449477580800,1215203193235691517749414518195200,123585796012441765074167804498857267200 %N A362828 Number of n-tuples of permutations of [n] that pairwise commute. %C A362828 Two permutations x,y on [n] commute if x*y = y*x. %H A362828 Andrew Howroyd, <a href="/A362828/b362828.txt">Table of n, a(n) for n = 0..50</a> %H A362828 Tad White, <a href="http://arxiv.org/abs/1304.2830">Counting Free Abelian Actions</a>, arXiv preprint arXiv:1304.2830 [math.CO], 2013. %Y A362828 Main diagonal of A362827. %Y A362828 Cf. A362823. %K A362828 nonn %O A362828 0,3 %A A362828 _Andrew Howroyd_, May 08 2023