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 A133733 #7 Apr 03 2020 09:50:58
%S A133733 0,0,0,0,0,1,1,1,1,1,1,1,34,22,13,7,3,1,561,226,81,25,6,1,5087,1371,
%T A133733 325,65,10,1,30569,5901,995,140,15,1,138103,20097,2541,266,21,1,
%U A133733 507360,57813,5698,462,28,1,1594272,146427,11586,750,36,1,4433484,335742,21825,1155,45,1
%N A133733 Column 6 of triangle in A133721.
%t A133733 A133713[l_, cl_] := Module[{g, k, s}, g = 1; For[k = 1, k <= cl + 1, k++, s = Sum[Binomial[Binomial[l, k + 1] + i - 1, i]*t^(i*k), {i, 0, Ceiling[ cl/k]}]; g = g*s]; SeriesCoefficient[g, {t, 0, cl}]];
%t A133733 a[m_, n_] := A133713[Ceiling[m/n], n*Ceiling[m/n] - m];
%t A133733 Table[a[m, 6], {m, 1, 60}] (* _Jean-François Alcover_, Apr 03 2020, after _R. J. Mathar_ *)
%K A133733 nonn
%O A133733 1,13
%A A133733 _N. J. A. Sloane_, Dec 30 2007
%E A133733 More terms from _Jean-François Alcover_, Apr 03 2020