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If p(x) is the x-th prime, then the n-th set of 3 consecutive sexy prime pairs starts at p(a(n)).
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%I #3 Mar 31 2012 20:35:48

%S 54,103,271,345,347,354,464,504,682,709,767,787,821,823,825,827,1086,

%T 1157,1319,1557,1607,1722,1724,1842,2009,2207,2209,2771,2773,2876,

%U 2917,3034,3164,3166,3253,3339,3470,3504,3819,3921,4272,4350,4352,4751,4753

%N If p(x) is the x-th prime, then the n-th set of 3 consecutive sexy prime pairs starts at p(a(n)).

%e a(2)=103. p(103)=563 and p(104)=569, the first sexy prime pair. p(105)=571 and p(106)=577, the second sexy prime pair. p(107)=587 and p(108)=593, the third sexy prime pair.

%Y Cf. A023201, A046117.

%K nonn

%O 1,1

%A _Ray G. Opao_, Jul 15 2004