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 A293250 #11 Oct 04 2017 09:50:37 %S A293250 1,1,3,8,30,133,48,181,262,530,738,1750,1939,5672,6704,20065,11306, %T A293250 20362,36780,53926,77234,116988,146955,219604,353518,479638,643753, %U A293250 1156116,1393784,1778612,3767018,3224712,4227504,6058692,9406426,13136745,15425494,19723654 %N A293250 G.f.: Product_{m>0} (1 + x^m + 2!*x^(2*m) + 3!*x^(3*m) + 4!*x^(4*m) + 5!*x^(5*m)). %H A293250 Seiichi Manyama, <a href="/A293250/b293250.txt">Table of n, a(n) for n = 0..500</a> %p A293250 b:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0, %p A293250 add(b(n-i*j, i-1)*j!, j=0..min(5, n/i)))) %p A293250 end: %p A293250 a:= n-> b(n$2): %p A293250 seq(a(n), n=0..50); # _Alois P. Heinz_, Oct 04 2017 %Y A293250 Column k=5 of A293202. %K A293250 nonn %O A293250 0,3 %A A293250 _Seiichi Manyama_, Oct 03 2017