id:A057095 - OEIS Search Results

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Numbers n such that n^2 +1, n^2 +3, n^2 +7, n^2 +9 and n^2 +13 are simultaneously prime.

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2, 10, 238850, 315410, 927070, 2525870, 2828270, 3993070, 4794520, 5617160, 6173870, 6859310, 8146100, 8294290, 9267220, 10053410, 10515340, 12720460, 15074770, 16755190, 16788580, 17525470, 21740120, 26657060, 29633510 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[ Range[ 1, 5 10^7], PrimeQ[ #^2 + 1] && PrimeQ[ #^2 + 3] && PrimeQ[ #^2 + 7] && PrimeQ[ #^2 + 9] && PrimeQ[ #^2 + 13] & ]`
	CROSSREFS	`Sequence in context: A079180 A027735 A085698 this_sequence A119189 A053994 A057213` `Adjacent sequences: A057092 A057093 A057094 this_sequence A057096 A057097 A057098`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 11 2000`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research