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 A104332 #2 Oct 02 2013 15:47:25 %S A104332 31,53,97,2927,3331,3533,4139,5351,6361,6563,6967,7573,8179,9391, %T A104332 111109,113111,123121,129127,131129,143141,153151,155153,159157, %U A104332 161159,171169,185183,189187,191189,195193,219217,221219,225223,233231,239237,255253 %N A104332 Primes which are the reverse concatenation of two consecutive odd numbers. %e A104332 The first term is 31 which is a prime and is the reverse concatenation of 1 and 3 which are two consecutive odd numbers. %K A104332 base,nonn %O A104332 1,1 %A A104332 _Shyam Sunder Gupta_, Apr 17 2005