id:A145756 - OEIS Search Results

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a(n) = ((2^prime(n+2)-2)/prime(n+2))/3, where n >= 1

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2, 6, 62, 210, 2570, 9198, 121574, 6170930, 23091222, 1238188770, 17878237850, 68186767614, 998138215286, 56649051916610, 3256840408493918, 12600235023025650, 734198769102867726, 11085367330679918342 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`For n = 1, a(1) = ((2^prime(1+2)-2)/prime(1+2))/3 = ((2^prime(3)-2)/prime(3))/3 = ((2^5-2)/5)/3 = 30/5/3 = 2`
	CROSSREFS	`Equals A064535/3` `Sequence in context: A139771 A129665 A134706 this_sequence A030170 A082640 A139695` `Adjacent sequences: A145753 A145754 A145755 this_sequence A145757 A145758 A145759`
	KEYWORD	`nonn`
	AUTHOR	`Vassilis Papadimitriou (bpapa(AT)sch.gr), Oct 17 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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