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 A327214 #12 Aug 28 2019 11:15:35
%S A327214 1,2,7,32,137,592,2597,11442,50567,224112,995392,4428372,19727877,
%T A327214 87983202,392755207,1754625632,7844003907,35086658052,157023432677,
%U A327214 703037135122,3148915010832,14108913792342,63235380631747,283495965998772,1271282293531077,5702105357347602
%N A327214 Self-convolution of A270913.
%H A327214 Vaclav Kotesovec, <a href="/A327214/b327214.txt">Table of n, a(n) for n = 0..1000</a>
%F A327214 a(n) ~ c^2 * Pi * d^n, where d = A270914 = 4.5024767476173544877385939327... and c = A327280 = 0.260542233142438469433860832160... (see A270913).
%t A327214 A270913[n_]:=SeriesCoefficient[Product[(1+x^k)^n, {k, 1, n}], {x, 0, n}];
%t A327214 Table[Sum[A270913[k]*A270913[n-k], {k, 0, n}], {n, 0, 25}]
%Y A327214 Cf. A022567, A270913, A304443, A309986, A327215.
%K A327214 nonn
%O A327214 0,2
%A A327214 _Vaclav Kotesovec_, Aug 26 2019