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 A327215 #11 Aug 28 2019 11:15:28
%S A327215 1,2,11,54,279,1442,7530,39474,207693,1095522,5790116,30650038,
%T A327215 162451560,861920492,4577055823,24323292984,129338944225,688128700422,
%U A327215 3662798123481,19504467792378,103899170100154,553642311668244,2951010332435759,15733439067954134
%N A327215 Self-convolution of A008485.
%H A327215 Vaclav Kotesovec, <a href="/A327215/b327215.txt">Table of n, a(n) for n = 0..1000</a>
%F A327215 a(n) ~ c^2 * Pi * d^n, where d = A270915 = 5.352701333486642687772415814165... and c = A327279 = 0.26801521271073331568695383828... (see A008485).
%t A327215 A008485[n_]:=SeriesCoefficient[Product[1/(1-x^k)^n, {k, 1, n}], {x, 0, n}];
%t A327215 Table[Sum[A008485[k]*A008485[n-k], {k, 0, n}], {n, 0, 25}]
%Y A327215 Cf. A000712, A008485, A304444, A309986, A327214.
%K A327215 nonn
%O A327215 0,2
%A A327215 _Vaclav Kotesovec_, Aug 26 2019