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 A088348 #10 May 13 2013 01:48:19 %S A088348 2,5,11,17,19,31,37,41,47,53,59,73,83,89,101,107,149,173,181,191,197, %T A088348 227,241,257,263,269,283,311,347,349,353,409,421,431,439,463,479,503, %U A088348 509,547,571,599,617,631,643,659,677,691,701,719,733,743,751,761,821,839 %N A088348 Primes of the form prime(n) + 2pi(n), where pi is A000720. %o A088348 (PARI) n=0;forprime(p=2,1e4,if(isprime(t=p+2*primepi(n++)),print1(t", "))) \\ _Charles R Greathouse IV_, Feb 15 2011 %K A088348 nonn,easy %O A088348 1,1 %A A088348 _Roger L. Bagula_, Nov 07 2003 %E A088348 Entry revised by _Charles R Greathouse IV_, Feb 15 2011