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 A051420 #29 Oct 28 2021 02:28:21 %S A051420 3,10,15,343,387,1087,2981,96761 %N A051420 Numbers k such that A000081(k) is prime. %C A051420 A000081(2981) = O(10^1400) is only a probably prime. No more terms < 6000. %C A051420 No more terms < 40000. - _Vaclav Kotesovec_, Jul 07 2020 %C A051420 A000081(96761) is a probable prime. No other terms < 100000. - _Mathieu Gouttenoire_, Oct 08 2021 %Y A051420 Cf. A000081, A119642, A185667, A336039. %K A051420 nonn,more %O A051420 1,1 %A A051420 _David Broadhurst_ %E A051420 a(8) from _Mathieu Gouttenoire_, Oct 08 2021