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 A373342 #5 Jun 03 2024 18:21:32
%S A373342 1,3,11,257,10409849,13140065160047459074769,
%T A373342 21553582667127297807356246702227694881720251470055162138373632739283194220056118692942769
%N A373342 Antidiagonal sums of A373341.
%C A373342 The next term is too large to be included in Data.
%t A373342 A373341[n_,k_]:=(n!)^(n^(k-1)); a[n_]:=Sum[A373341[n-k+1,k],{k,n}]; Array[a,7]
%Y A373342 Cf. A373341.
%K A373342 nonn
%O A373342 1,2
%A A373342 _Stefano Spezia_, Jun 01 2024