id:A127331 - OEIS Search Results

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Primes p such that 6p-7 and 6p+7 are also primes.

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2, 5, 11, 29, 31, 61, 71, 101, 109, 199, 229, 241, 269, 331, 379, 431, 491, 631, 691, 821, 919, 941, 991, 1049, 1061, 1259, 1289, 1321, 1409, 1439, 1451, 1459, 1571, 1621, 1831, 1861, 1931, 2039, 2089, 2161, 2251, 2281, 2311, 2389, 2399, 2441, 2539, 2551 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`31, 631-7=179, 631+7=193 are all primes.`
	MATHEMATICA	`Select[Range[5000], PrimeQ[ # ] && PrimeQ[6# + 7] && PrimeQ[6# - 7] &]`
	CROSSREFS	`Sequence in context: A124016 A121398 A000625 this_sequence A040998 A117719 A014211` `Adjacent sequences: A127328 A127329 A127330 this_sequence A127332 A127333 A127334`
	KEYWORD	`nonn`
	AUTHOR	`Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 30 2007`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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