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 A162706 #5 Jul 02 2015 14:48:27 %S A162706 4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29, %T A162706 30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52, %U A162706 53,54,55,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81 %N A162706 Numbers that are the sum of two reversed primes. %F A162706 a(n) = A004087(j)+A004087(k) for any pair (j,k). - _R. J. Mathar_, Jul 13 2009 %K A162706 nonn,base,less %O A162706 1,1 %A A162706 _Claudio Meller_, Jul 11 2009 %E A162706 Edited, entries checked by _R. J. Mathar_, Jul 13 2009