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 A224855 #15 Feb 10 2015 10:30:42 %S A224855 0,1,2,9,14,22,23,25,35,36,39,46,48,50,53,55,60,65,77,79,81,83,86,93, %T A224855 98,111,116,130,148,154,165,168,189,191,193,196,197,198,203,210,226, %U A224855 230,231,232,246,252,256,263,281,284,287,301,308,310,312,314,317,347 %N A224855 Numbers n such that 90*n + 17 and 90*n + 19 are twin primes. %C A224855 All matching entries for A202115 and A196000 are twin primes. %H A224855 Harvey P. Dale, <a href="/A224855/b224855.txt">Table of n, a(n) for n = 1..1000</a> %t A224855 Select[Range[0, 499], PrimeQ[90# + 17] && PrimeQ[90# + 19] &] (* Copied from: _Alonso del Arte_, Jul 22 2013 *) %Y A224855 Cf. A202115, A196000. %K A224855 nonn %O A224855 1,3 %A A224855 _J. W. Helkenberg_, Jul 22 2013