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 A106090 #7 Mar 30 2012 17:26:15 %S A106090 3,13,31,67,79,109,163,223,229,241,277,367,379,421,433,439,463,523, %T A106090 541,571,673,757,787,829,853,937,967,1117,1237,1249,1321,1399,1453, %U A106090 1489,1549,1609,1741,1747,1759,1783,1861,1879,2011,2089,2137,2161,2239,2293 %N A106090 Prime numbers p such that 10p+7 and 7p+10 are primes. %C A106090 Primes in A124825. %t A106090 Select[Prime[Range[220]], PrimeQ[10#+7]&&PrimeQ[7#+10]&] %Y A106090 Cf. A124825. %K A106090 nonn %O A106090 1,1 %A A106090 _Zak Seidov_, May 07 2005, Nov 09 2006 %E A106090 Edited by _N. J. A. Sloane_, Jul 03 2008 at the suggestion of R. J. Mathar