id:A154565 - OEIS Search Results

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One-half of averages of twin prime pairs of A001318.

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2, 15, 51, 210, 330, 651, 1365, 1650, 1926, 3480, 5430, 5985, 6501, 11310, 16485, 16590, 21660, 25026, 27270, 28635, 35190, 38001, 39285, 46905, 48690, 58905, 64170, 90651, 109485, 143376, 148995, 151845, 190995, 311676, 316251, 332526 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`q=3; lst={}; s=0; Do[s+=n/q; If[Floor[s]==s, If[PrimeQ[2s-1]&&PrimeQ[2s+1], AppendTo[lst, s]]], {n, 0, 8!}]; lst`
	CROSSREFS	`Cf. A154563, A074378` `Sequence in context: A133777 A025213 A116693 this_sequence A066562 A073877 A007972` `Adjacent sequences: A154562 A154563 A154564 this_sequence A154566 A154567 A154568`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 12 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research