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 A293195 #14 Oct 03 2017 10:46:34
%S A293195 1,1,3,13,72,500,4020,37380,389760,4546080,58363200,814968000,
%T A293195 12301027200,200216016000,3484710028800,64639070496000,
%U A293195 1270187702784000,26414731639296000,578733086131200000,13328586071184384000,321801976039864320000,8127599117746268160000
%N A293195 E.g.f.: Product_{m>0} (1+x^m+x^(2*m)/2!+x^(3*m)/3!).
%H A293195 Seiichi Manyama, <a href="/A293195/b293195.txt">Table of n, a(n) for n = 0..444</a>
%p A293195 b:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,
%p A293195 add(b(n-i*j, i-1)/j!, j=0..min(3, n/i))))
%p A293195 end:
%p A293195 a:= n-> n!*b(n$2):
%p A293195 seq(a(n), n=0..23); # _Alois P. Heinz_, Oct 02 2017
%Y A293195 Column k=3 of A293135.
%Y A293195 Cf. A001935.
%K A293195 nonn
%O A293195 0,3
%A A293195 _Seiichi Manyama_, Oct 02 2017