id:A111517 - OEIS Search Results

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Numbers n such that (7*n + 1)/2 is prime.

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3, 15, 19, 31, 39, 43, 51, 55, 75, 79, 99, 111, 123, 139, 159, 163, 171, 175, 183, 195, 211, 231, 235, 259, 279 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`If n=279 then (7*n + 1)/2 = 977 (prime).`
	CROSSREFS	`Sequence in context: A039570 A032644 A124877 this_sequence A083545 A097571 A048087` `Adjacent sequences: A111514 A111515 A111516 this_sequence A111518 A111519 A111520`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Nov 16 2005`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.