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 A224860 #22 Jul 23 2013 03:43:18 %S A224860 0,1,2,4,6,11,13,14,21,23,25,34,36,37,43,44,51,55,56,58,62,67,69,70, %T A224860 71,81,93,99,102,104,112,116,120,127,132,153,155,161,169,170,188,197, %U A224860 200,212,242,245,252,259,265,268,279,286,291,296,298,300,302,307 %N A224860 Numbers n such that 90*n + 59 and 90*n + 61 are twin prime. %C A224860 All matching entries of A202101 and A202113 are twin prime. %t A224860 Select[Range[0, 499], PrimeQ[90# + 59] && PrimeQ[90# + 61] &] %Y A224860 Cf. A202101, A202113. %K A224860 nonn,easy %O A224860 1,3 %A A224860 _J. W. Helkenberg_, Jul 22 2013 %E A224860 More terms from _Bruno Berselli_, Jul 23 2013