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 A111101 #18 Apr 30 2024 11:42:48
%S A111101 1,2,3,7,8,12,13,3138,3142,3146,3147,6272,6273,6277,6278,
%T A111101 11112006825564294,11112006825564295,11112006825567420,
%U A111101 11112006825567421,11112006825570546,11112006825570550,11112006825570554,11112006825570555,449005897206429930,449005897206429934
%N A111101 Cumulative sum of A000001(n)^A000001(n).
%F A111101 a(n) = Sum_{i=1..n} A000001(i)^A000001(i).
%F A111101 a(n) = Sum_{i=1..n} A000312(A000001(i)).
%t A111101 Accumulate[Table[FiniteGroupCount[n]^FiniteGroupCount[n],{n,25}]] (* _James C. McMahon_, Apr 30 2024 *)
%Y A111101 Cf. A000001, A000312.
%K A111101 easy,nonn,less
%O A111101 1,2
%A A111101 _Jonathan Vos Post_, Oct 13 2005
%E A111101 More terms from _James C. McMahon_, Apr 30 2024