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 A344253 #4 May 13 2021 13:49:02
%S A344253 1,9,81,774,6561,59778,531441,4789695,43050042,387479538,3486784401,
%T A344253 31381653744,282429536481,2541870611298,22876792986402,
%U A344253 205891175440755,1853020188851841,16677182091899916,150094635296999121,1350851721164854704,12157665459099975522,109418989162893418818
%N A344253 Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(9^(k-1)).
%Y A344253 Cf. A001055, A050367, A329800, A344247, A344248, A344249, A344250, A344251, A344252.
%K A344253 nonn
%O A344253 1,2
%A A344253 _Ilya Gutkovskiy_, May 12 2021