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 A014050 #18 Jul 08 2025 02:52:14
%S A014050 1,2,25,1000,83521,11881376,2565726409,781250000000,318644812890625,
%T A014050 167619550409708032,110462212541120451001,89116503268220597577728,
%U A014050 86380562306022715087890625,99045780329059370000000000000,132595005683061140853836321918569
%N A014050 a(n) = (n^2+1)^n.
%H A014050 Winston de Greef, <a href="/A014050/b014050.txt">Table of n, a(n) for n = 0..215</a>
%F A014050 a(n) = Sum_{k=0..n} binomial(n,k)*n^(2*k). - _Vaclav Kotesovec_, Oct 16 2016
%t A014050 Table[(n^2+1)^n,{n,0,20}] (* _Harvey P. Dale_, Sep 20 2023 *)
%Y A014050 Cf. A136516.
%K A014050 nonn
%O A014050 0,2
%A A014050 _N. J. A. Sloane_