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 A320345 #22 Jan 26 2019 02:15:26
%S A320345 0,1,524288,101957062669641,27265063485978531856384,
%T A320345 106913106903205778598785400390625,
%U A320345 1052153174824916171740710027027385486934016,50134911460309737788263856880351450247312603708106641,6079819706045473432785376698707222441479676085024627875693723648
%N A320345 a(n) = Product_{k=0..n} (k^9 + (n-k)^9).
%H A320345 Seiichi Manyama, <a href="/A320345/b320345.txt">Table of n, a(n) for n = 0..64</a>
%F A320345 a(n) ~ exp((4*Pi*(sqrt(3) + 6*sin(Pi/9))/9 - 8)*n) * n^(9*n+9).
%t A320345 Table[Product[k^9+(n-k)^9, {k, 0, n}], {n, 0, 10}]
%Y A320345 Cf. A323538, A323540, A323541, A323542, A323543, A323544, A323545, A323546.
%K A320345 nonn
%O A320345 0,3
%A A320345 _Vaclav Kotesovec_, Jan 22 2019