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 A329800 #4 Nov 21 2019 22:16:05
%S A329800 1,2,4,11,16,40,64,148,266,544,1024,2156,4096,8320,16448,33089,65536,
%T A329800 131732,262144,525488,1048832,2099200,4194304,8393648,16777352,
%U A329800 33562624,67109908,134234816,268435456,536906368,1073741824,2147550702,4294971392,8590065664,17179870208
%N A329800 Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(2^(k - 1)).
%Y A329800 Cf. A011782, A050367, A318949.
%K A329800 nonn
%O A329800 1,2
%A A329800 _Ilya Gutkovskiy_, Nov 21 2019