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A103564
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Primes p such that 3*p^2+2 is prime.
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2
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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; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Harvey P. Dale, Table of n, a(n) for n = 1..1000
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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]
Select[Prime[Range[600]], PrimeQ[3#^2+2]&] (* From Harvey P. Dale, Nov 08 2011 *)
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PROG
| (MAGMA) [p: p in PrimesUpTo(5000)|IsPrime(3*p^2+2)] [From Vincenzo Librandi, Jan 30 2011]
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CROSSREFS
| Sequence in context: A090968 A020641 A062736 * A083201 A176903 A004060
Adjacent sequences: A103561 A103562 A103563 * A103565 A103566 A103567
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KEYWORD
| nonn
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AUTHOR
| Zak Seidov (zakseidov(AT)yahoo.com), Mar 23 2005
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