id:A067256 - OEIS Search Results

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Numbers n such that n, 2n+1, 3n+2 are primes.

+0
10

3, 5, 23, 29, 83, 89, 173, 233, 239, 293, 419, 659, 953, 1013, 1223, 1409, 1559, 1583, 1889, 2003, 2129, 2339, 2549, 2693, 2939, 3359, 3389, 3593, 3803, 4349, 4373, 4409, 4919, 4943, 5333, 6113, 6173, 8093, 8273, 8513, 9059, 9479, 9539, 10163, 10313 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[Prime[Range[10^4]], PrimeQ[2#+1]&&PrimeQ[3#+2] &] - Vladimir Orlovsky, Apr 27 2008`
	CROSSREFS	`Cf. A000040, A005384, A067257, A067258, A101767-A101770.` `Sequence in context: A088121 A144103 A137084 this_sequence A136891 A106857 A106307` `Adjacent sequences: A067253 A067254 A067255 this_sequence A067257 A067258 A067259`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 20 2002`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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