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 A136373 #11 Jun 06 2021 15:56:33 %S A136373 13,79,4057,36037,222379,973597,1310611,2070433,4381183,4905427, %T A136373 8145943651,21843304081,66988402183 %N A136373 Primes dividing terms of A128685. %Y A136373 Cf. A128685, A127263, A136372, A128677, A128678, A128679, A128680, A128681, A128682, A128683, A128684. %K A136373 nonn,hard,more %O A136373 1,1 %A A136373 _Alexander Adamchuk_, Dec 27 2007 %E A136373 Edited and extended by _Max Alekseyev_, May 14 2010