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 A336210 #4 Jul 12 2020 12:18:05
%S A336210 1,-1,3,-10,-117,5224,-23010,-10319891,463834315,69461529092,
%T A336210 -10005601418172,-1323175060249241,468450359815048182,
%U A336210 63281374513705043227,-46495538420749056681263,-7147072328212024308730535,9119277358213513566069911755,1827085356172328516064256064092
%N A336210 a(0) = 1; a(n) = -(1/n) * Sum_{k=0..n-1} binomial(n,k)^3 * (n-k) * a(k).
%F A336210 a(n) = (n!)^3 * [x^n] exp(-Sum_{k>=1} x^k / (k!)^3).
%t A336210 a[0] = 1; a[n_] := a[n] = -(1/n) Sum[Binomial[n, k]^3 (n - k) a[k], {k, 0, n - 1}]; Table[a[n], {n, 0, 17}]
%t A336210 nmax = 17; CoefficientList[Series[Exp[-Sum[x^k/(k!)^3, {k, 1, nmax}]], {x, 0, nmax}], x] Range[0, nmax]!^3
%Y A336210 Cf. A000587, A061684, A336209.
%K A336210 sign
%O A336210 0,3
%A A336210 _Ilya Gutkovskiy_, Jul 12 2020