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 A088767 #11 May 21 2017 07:49:50 %S A088767 5,6,12,15,18,27,30,33,45,48,60,72,78,87,93,102,117,132,135,138,150, %T A088767 162,180,183,195,213,225,228,258,282,285,297,300,303,312,327,333,342, %U A088767 363,375,390,402,408,423,435,480,492,495,513,528,555,558,597,612,615,642 %N A088767 a(n) = A087697(n)/2. %C A088767 Numbers n such that 2*n-7 [A089192] and 2*n+7 [A105760] are both prime. [_Vincenzo Librandi_, Jul 10 2010] %Y A088767 Cf. A087697, A040040, A088763, A088765, A088769. %Y A088767 Cf. A089192, A105760. [_Vincenzo Librandi_, Jan 18 2009] %K A088767 nonn %O A088767 1,1 %A A088767 _Ray Chandler_, Oct 26 2003