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%I #6 Nov 21 2013 12:49:38
%S 55,187,1271,3953,13843,34189,78391,129551,307961,351613,616081,
%T 753343,1155481,1350163,1461617,2073551,2282977,2999743,3367081,
%U 4293103,5503691,8427373,9060019,10751441,14039813,17164349,19439137,20775283,22781333
%N Product of the two primes with indices equal to the members of the n-th twin prime pair.
%F a(n)=A000040(A001359(n))*A000040(A006519(n)).
%e prime(3)*prime(5)=55. prime(5)*prime(7) = 187. prime(11)*prime(13)=1271. prime(17)*prime(19)=3953.
%t Prime[First[#]] Prime[Last[#]]&/@Select[Partition[Prime[Range[200]],2,1],Last[#]-First[#]==2&] (* _Harvey P. Dale_, Feb 22 2011 *)
%Y Cf. A000040, A001359, A006519.
%K nonn
%O 1,1
%A _Juri-Stepan Gerasimov_, Jun 18 2009
%E Corrected by _R. J. Mathar_, Oct 21 2009
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