id:A066940 - OEIS Search Results

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GCD(prime(n+1)+1, prime(n)+1)=2.

+0
7

2, 3, 5, 6, 7, 10, 11, 12, 13, 17, 18, 20, 21, 24, 25, 26, 28, 29, 30, 33, 35, 36, 37, 41, 42, 43, 44, 45, 49, 50, 52, 53, 57, 58, 59, 60, 61, 64, 65, 66, 67, 68, 69, 70, 73, 74, 77, 78, 79, 81, 82, 83, 84, 87, 88, 89, 98, 99, 100, 101, 104, 105, 106, 109, 110, 111, 112, 113 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[ Range[120], GCD[ Prime[ # + 1] + 1, Prime[ # ] + 1] == 2 & ]`
	CROSSREFS	`Cf. A066941, A066942, A066943, A066944, A067603, A067604.` `Sequence in context: A107746 A024899 A114518 this_sequence A100118 A028781 A136149` `Adjacent sequences: A066937 A066938 A066939 this_sequence A066941 A066942 A066943`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 24 2002`
	EXTENSIONS	`Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 01 2002`

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

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