id:A115334 - OEIS Search Results

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Numbers n such that 3+2n and 3+4n are primes.

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1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 25, 32, 34, 40, 47, 49, 52, 55, 62, 67, 77, 82, 89, 94, 95, 104, 110, 115, 119, 124, 130, 140, 154, 157, 164, 172, 185, 209, 214, 215, 220, 227, 229, 242, 259, 272, 280, 287, 292, 305, 307, 314, 319, 320, 322, 325, 329, 349, 362 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(28039)=999934 because 3+2999934=1999871 and 3+4999934=3999739 are primes.`
	MATHEMATICA	`Do[If[PrimeQ[{3+2d, 3+4d}]=={True, True}, Print[d]], {d, 100000}]`
	CROSSREFS	`Sequence in context: A056716 A023181 A123065 this_sequence A035547 A018598 A018756` `Adjacent sequences: A115331 A115332 A115333 this_sequence A115335 A115336 A115337`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Mar 06 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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