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%I #2 Mar 31 2012 12:38:19
%S 60,72,180,282,312,420,432,462,570,642,810,1062,1452,1620,2130,2592,
%T 3252,3360,3540,4050,4650,4800,5640,5742,5850,6090,6360,6552,6792,
%U 7332,7350,7560,7590,8292,9042,9462,10140,10530,10860,11070,11172,11940
%N Averages of twin prime pairs of A154546.
%t 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 Cf. A154276, A154546, A154547
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Jan 11 2009
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