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 A171269 #4 Jun 07 2018 22:06:43 %S A171269 5,751,79193 %N A171269 Intersection of A171267 and A171268. %C A171269 Primes p such that both numbers p^A007953(p) and p^A007954(p) end with p. %C A171269 a(4) > prime(10^8)=2038074743. %C A171269 Number 2*10^k-1 is a term as soon as k is a multiple of 10 and belongs to A002957. In particular, a(4) <= 2*10^3020 - 1. - _Max Alekseyev_, Jun 07 2018 %Y A171269 Cf. A171267, A171268. %K A171269 base,more,nonn,bref %O A171269 1,1 %A A171269 _Farideh Firoozbakht_, Apr 28 2010