id:A103564 - OEIS Search Results

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Primes p such that 3*p^2+2 is prime.

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3, 7, 13, 53, 67, 97, 227, 263, 277, 337, 487, 503, 547, 557, 613, 617, 647, 683, 727, 937, 953, 977, 1093, 1277, 1327, 1427, 1583, 1637, 1663, 1723, 1873, 1907, 1987, 2087, 2267, 2297, 2467, 2593, 2663, 2677, 2803, 3037, 3083, 3343, 3373, 3433, 3643 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`f[n_]:=PrimeQ[(n-1)^2+n^2+(n+1)^2]; lst={}; Do[p=Prime[n]; If[f[p], AppendTo[lst, p]], {n, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 27 2009]`
	CROSSREFS	`Sequence in context: A090968 A020641 A062736 this_sequence A083201 A004060 A028491` `Adjacent sequences: A103561 A103562 A103563 this_sequence A103565 A103566 A103567`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Mar 23 2005`

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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