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 A344266 #5 May 14 2021 06:26:47
%S A344266 1,3,9,30,81,270,729,2269,6597,19926,59049,178146,531441,1596510,
%T A344266 4783698,14355900,43046721,129162141,387420489,1162322946,3486790962,
%U A344266 10460530350,31381059609,94143737979,282429539721,847290203766,2541865887462,7625602289826,22876792454961,68630391912807
%N A344266 Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^(3^(k-1)).
%Y A344266 Cf. A045778, A050368, A344247, A344265, A344267, A344268, A344269, A344270, A344271.
%K A344266 nonn
%O A344266 1,2
%A A344266 _Ilya Gutkovskiy_, May 13 2021