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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.

A362825 Number of ordered triples of involutions on [n] that pairwise commute.

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%I A362825 #7 May 08 2023 15:33:02
%S A362825 1,1,8,22,232,1016,12496,73648,1032032,7586272,118141696,1033672256,
%T A362825 17668427008,178649596672,3313667912192,37898019913216,
%U A362825 756948065453056,9640771045925888,205935949714235392,2885307792776353792,65568056040976818176
%N A362825 Number of ordered triples of involutions on [n] that pairwise commute.
%C A362825 Two involutions x,y on [n] commute if x*y = y*x.
%H A362825 Andrew Howroyd, <a href="/A362825/b362825.txt">Table of n, a(n) for n = 0..200</a>
%F A362825 E.g.f.: exp(x + 7*x^2/2 + 7*x^4/4 + x^8/8).
%o A362825 (PARI) seq(n) = {Vec(serlaplace(exp(x + 7*x^2/2 + 7*x^4/4 + x^8/8 + O(x*x^n))))}
%Y A362825 Column k=3 of A362824.
%Y A362825 Cf. A362819.
%K A362825 nonn
%O A362825 0,3
%A A362825 _Andrew Howroyd_, May 06 2023