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 A336202 #16 May 01 2021 17:40:39
%S A336202 1,0,-3,136,3585,-8065624,985282165,102324513620736,
%T A336202 -758462117693095935,-310124007268556369914448,
%U A336202 59000420766060452235999162501,231739512209034254162941881236647760,-948238573709799908746228205852168505192191,-43263440520748047736633474769642007589423961473152
%N A336202 a(n) = Sum_{k=0..n} (-n)^k * binomial(n,k)^n.
%H A336202 Seiichi Manyama, <a href="/A336202/b336202.txt">Table of n, a(n) for n = 0..57</a>
%t A336202 a[n_] := Sum[If[n == k == 0, 1, (-n)^k] * Binomial[n, k]^n, {k, 0, n}]; Array[a, 14, 0] (* _Amiram Eldar_, May 01 2021 *)
%o A336202 (PARI) {a(n) = sum(k=0, n, (-n)^k*binomial(n, k)^n)}
%Y A336202 Main diagonal of A336201.
%Y A336202 Cf. A167010, A336188, A336204.
%K A336202 sign
%O A336202 0,3
%A A336202 _Seiichi Manyama_, Jul 11 2020