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 A339339 #5 Nov 30 2020 21:39:05
%S A339339 1,7,7,28,7,56,7,91,28,56,7,252,7,56,56,259,7,252,7,252,56,56,7,889,
%T A339339 28,56,91,252,7,497,7,665,56,56,56,1253,7,56,56,889,7,497,7,252,252,
%U A339339 56,7,2702,28,252,56,252,7,889,56,889,56,56,7,2457,7,56,252,1589
%N A339339 Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^7.
%F A339339 a(p^k) = A022572(k) for prime p.
%Y A339339 Cf. A022572, A045778, A328706, A339322, A339335, A339336, A339337, A339338, A339340, A339341.
%K A339339 nonn
%O A339339 1,2
%A A339339 _Ilya Gutkovskiy_, Nov 30 2020