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 A025233 #18 Feb 15 2018 08:12:57
%S A025233 1,48,1176,19648,252204,2655456,23901760,189208704,1344644814,
%T A025233 8713158928,52107076128,290374290624,1519725061816,7518508799904,
%U A025233 35352238216704,158716136933504,683059486979301,2827559773199856
%N A025233 Expansion of Product_{m>=1} (1 + q^m)^48.
%H A025233 G. C. Greubel, <a href="/A025233/b025233.txt">Table of n, a(n) for n = 0..1000</a>
%F A025233 a(n) ~ exp(4*Pi*sqrt(n)) / (2^(49/2) * n^(3/4)) * (1 + (4*Pi - 3/(32*Pi))/sqrt(n)). - _Vaclav Kotesovec_, Nov 10 2017
%t A025233 nmax = 20; CoefficientList[Series[Product[(1 + x^k)^48, {k, 1, nmax}], {x, 0, nmax}], x] (* _Vaclav Kotesovec_, Nov 10 2017 *)
%Y A025233 Cf. A022596, A022600.
%K A025233 nonn
%O A025233 0,2
%A A025233 _N. J. A. Sloane_