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 A144834 #21 Apr 17 2018 11:44:16 %S A144834 2,4,10,16,28,40,58,70,100,106,136,148,178,190,196,226,238,268,280, %T A144834 310,346,418,430,460,520,568,598,616,640,658,808,820,826,856,880,1018, %U A144834 1030,1048,1060,1090,1150,1228,1276,1288,1300,1318,1426,1450,1480,1486,1606 %N A144834 Numbers n such that the two numbers n+1 and n+3 are both prime. %C A144834 1 less than the lesser of each twin prime pair. [_Harvey P. Dale_, Nov 08 2011] %H A144834 Harvey P. Dale, <a href="/A144834/b144834.txt">Table of n, a(n) for n = 1..1000</a> %F A144834 a(n) = A014574(n)-2 = A001359(n)-1. - _R. J. Mathar_, Sep 24 2008 %t A144834 Transpose[Select[Partition[Prime[Range[300]],2,1],Last[#]-First[#] == 2&]][[1]]-1 (* _Harvey P. Dale_, Nov 08 2011 *) %Y A144834 Cf. A053319 (first differences). %K A144834 easy,nonn %O A144834 1,1 %A A144834 _Giovanni Teofilatto_, Sep 22 2008 %E A144834 Definition edited and extended by _R. J. Mathar_, Sep 24 2008