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 A024618 #3 Mar 30 2012 18:55:58 %S A024618 1,2,4,5,9,10,12,17,19,20,23,27,28,30,35,38,41,43,44,49,53,55,58,61, %T A024618 63,65,72,74,76,82,84,88,91,93,98,100,101,105,108,111,114,116,121,122, %U A024618 128,131,137 %N A024618 Positions of primes in A024614. %K A024618 nonn %O A024618 1,2 %A A024618 _Clark Kimberling_