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 A130059 #6 Apr 27 2015 22:06:48 %S A130059 67,89,199,331,617,881,5281,35839,22270249,24939553,395297101, %T A130059 2414250301,40834167001,184879309516177,207091473814443440700193, %U A130059 30576308069075829315234744136241,175651822579831731574054050278935909201,109606420475170539243380866438311892933511638772789857 %N A130059 Primes p such that k=p*23^2 divides 3^(k-1) - 2^(k-1); or primes in A130058. %C A130059 Prime divisors of (3^528 - 2^528) / 23^2 that are congruent to 1 modulo 11. %Y A130059 Cf. A073631, A001047, A130058 %K A130059 nonn,fini,full %O A130059 1,1 %A A130059 _Alexander Adamchuk_, May 04 2007 %E A130059 Definition clarified by _Max Alekseyev_, Mar 09 2009