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 A154548 #2 Mar 31 2012 12:38:19 %S A154548 60,72,180,282,312,420,432,462,570,642,810,1062,1452,1620,2130,2592, %T A154548 3252,3360,3540,4050,4650,4800,5640,5742,5850,6090,6360,6552,6792, %U A154548 7332,7350,7560,7590,8292,9042,9462,10140,10530,10860,11070,11172,11940 %N A154548 Averages of twin prime pairs of A154546. %t A154548 lst={};Do[If[PrimeQ[p=81*n^2-72*n+17],If[PrimeQ[n-1]&&PrimeQ[n+1],AppendTo[lst,n]]],{n,0,8!}];lst %Y A154548 Cf. A154276, A154546, A154547 %K A154548 nonn %O A154548 1,1 %A A154548 _Vladimir Joseph Stephan Orlovsky_, Jan 11 2009