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 A323541 #18 Sep 08 2022 08:46:23 %S A323541 0,1,128,59049,51380224,80869140625,207351578198016, %T A323541 811509810302822449,4603095542875667038208,36344623587588604291790241, %U A323541 386644580358400000000000000000,5395532942025804980378907333844441,96578621213529440721046520779140759552 %N A323541 a(n) = Product_{k=0..n} (k^3 + (n-k)^3). %H A323541 Seiichi Manyama, <a href="/A323541/b323541.txt">Table of n, a(n) for n = 0..158</a> %F A323541 a(n) ~ exp(2*(Pi/(3*sqrt(3))-1)*n) * n^(3*n + 3). %t A323541 Table[Product[k^3+(n-k)^3, {k, 0, n}], {n, 0, 15}] %o A323541 (PARI) m=3; vector(15, n, n--; prod(k=0,n, k^m + (n-k)^m)) \\ _G. C. Greubel_, Jan 18 2019 %o A323541 (Magma) m:=3; [(&*[k^m + (n-k)^m: k in [0..n]]): n in [0..15]]; // _G. C. Greubel_, Jan 18 2019 %o A323541 (Sage) m=3; [product(k^m +(n-k)^m for k in (0..n)) for n in (0..15)] # _G. C. Greubel_, Jan 18 2019 %Y A323541 Cf. A272246, A323496, A323540, A323542, A323543, A323544, A323545, A323546. %Y A323541 Cf. 2*A000537 and A163102 (with sum instead of product). %K A323541 nonn %O A323541 0,3 %A A323541 _Vaclav Kotesovec_, Jan 17 2019