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 A185935 #5 Jul 15 2012 09:45:57 %S A185935 23,47,53,83,131,167,173,233,251,257,263,353,383,443,467,503,509,557, %T A185935 563,587,593,647,653,677,797,941,947,971,977,1013,1097,1103,1181,1187, %U A185935 1217,1223,1259,1283,1307,1361,1367,1433,1493,1499,1511,1553,1601,1613,1709,1811,1889,1901,1907,1913,1973,2063,2069,2099,2207 %N A185935 Lesser of two consecutive primes which both equal 2 (mod 3). %C A185935 Or, primes of the form 6k-1 such that the next larger prime is again of the form 6k'-1. %o A185935 (PARI) forprime( p=1,1e4, (o+0-o=p)%3==0 & p%3==2 & print1( precprime(p-1)",")) %K A185935 nonn %O A185935 1,1 %A A185935 _M. F. Hasler_, Feb 06 2011