id:A123978 - OEIS Search Results

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Numbers n for which 8n+1, 8n+3 and 8n+7 are primes.

+0
1

2, 5, 80, 107, 110, 185, 260, 332, 500, 1067, 1307, 1472, 1625, 1760, 1790, 1955, 2255, 2612, 2627, 2672, 2882, 2945, 3197, 3335, 3467, 3965, 4007, 4037, 4040, 4202, 4355, 4880, 5147, 5252, 5525, 6242, 6812, 6917, 6977, 7430, 7787, 8192, 8612, 8657, 8720 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[Range[10^4], And @@ PrimeQ /@ ({1, 3, 7} + 8#) &] (Chandler)`
	CROSSREFS	`Cf. A005122, A005123, A005124.` `Sequence in context: A082080 A127997 A096266 this_sequence A120798 A048187 A082431` `Adjacent sequences: A123975 A123976 A123977 this_sequence A123979 A123980 A123981`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Oct 30 2006`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 05 2006`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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