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 A094317 #1 Jun 12 2004 03:00:00 %S A094317 2,3,5,7,13,17,23,29,31,43,47,59,67,71,79,83,97,103,107,113,131,139, %T A094317 151,163,167,179,193,197,211,223,227,239,241,251,263,269,281,283,293, %U A094317 311,337,349,353,373,389,421,431,439,443,463,467,479,487,509 %N A094317 Primes n with property that sum of digits that are primes is prime. %Y A094317 Cf. A094318. %K A094317 nonn,base %O A094317 1,1 %A A094317 Harvey Dale, May 31 2004