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 A161763 Product of the two primes with indices equal to the members of the n-th twin prime pair. 0
 55, 187, 1271, 3953, 13843, 34189, 78391, 129551, 307961, 351613, 616081, 753343, 1155481, 1350163, 1461617, 2073551, 2282977, 2999743, 3367081, 4293103, 5503691, 8427373, 9060019, 10751441, 14039813, 17164349, 19439137, 20775283, 22781333 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(n)=A000040(A001359(n))*A000040(A006519(n)). EXAMPLE prime(3)*prime(5)=55. prime(5)*prime(7) = 187. prime(11)*prime(13)=1271. prime(17)*prime(19)=3953. MATHEMATICA Prime[First[#]] Prime[Last[#]]&/@Select[Partition[Prime[Range[200]], 2, 1], Last[#]-First[#]==2&]  (* Harvey P. Dale, Feb 22 2011 *) CROSSREFS Cf. A000040, A001359, A006519. Sequence in context: A039781 A135657 A178793 * A189005 A105442 A158646 Adjacent sequences:  A161760 A161761 A161762 * A161764 A161765 A161766 KEYWORD nonn AUTHOR Juri-Stepan Gerasimov, Jun 18 2009 EXTENSIONS Corrected by R. J. Mathar, Oct 21 2009 STATUS approved

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Last modified March 28 10:27 EDT 2020. Contains 333082 sequences. (Running on oeis4.)