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 A014161 #16 Feb 05 2022 15:19:10
%S A014161 1,5,16,41,92,188,359,650,1128,1890,3075,4878,7571,11527,17254,25436,
%T A014161 36988,53122,75435,106014,147573,203618,278657,378453,510344,683626,
%U A014161 910031,1204301,1584896,2074841,2702765
%N A014161 Apply partial sum operator 4 times to partition numbers.
%C A014161 A014161 convolved with A010815 = the tetrahedral numbers: 1, 4, 10, 20, 35, ... . - _Gary W. Adamson_, Nov 09 2008
%H A014161 Vaclav Kotesovec, <a href="/A014161/b014161.txt">Table of n, a(n) for n = 0..10000</a>
%F A014161 a(n) ~ 3^(3/2)*n * exp(Pi*sqrt(2*n/3)) / Pi^4. - _Vaclav Kotesovec_, Oct 30 2015
%F A014161 G.f.: 1/(1-x)^4 * Product_{k>=1} 1/(1-x^k). - _Vaclav Kotesovec_, Oct 30 2015
%t A014161 nmax = 50; CoefficientList[Series[1/((1-x)^4 * Product[1-x^k, {k, 1, nmax}]), {x, 0, nmax}], x] (* _Vaclav Kotesovec_, Oct 30 2015 *)
%Y A014161 Cf. A000041.
%Y A014161 Cf. A010815. - _Gary W. Adamson_, Nov 09 2008
%Y A014161 Column k=5 of A292508.
%K A014161 nonn
%O A014161 0,2
%A A014161 _N. J. A. Sloane_