A155772 Primes p such that 2*p^2+2*p-41 is a prime.

5, 7, 11, 17, 19, 23, 29, 53, 59, 61, 83, 101, 103, 107, 131, 151, 179, 181, 191, 193, 199, 227, 239, 269, 281, 293, 313, 367, 383, 389, 419, 439, 467, 487, 503, 521, 541, 569, 587, 599, 601, 607, 617, 641, 647, 653, 673, 677, 691, 709, 733, 739, 757, 769, 787

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Select[Prime[Range[3, 200]], PrimeQ[2 #^2 + 2 # - 41] &] (* Vincenzo Librandi, Oct 15 2012 *)

Prog

(Magma) [p: p in PrimesInInterval(5, 800) | IsPrime(2*p^2 + 2*p - 41)]; // Vincenzo Librandi, Oct 15 2012

Crossrefs

Cf. A155769, A155770, A155771.

Sequence in context: A180952 A073681 A364867 * A258992 A020582 A106863

Adjacent sequences: A155769 A155770 A155771 * A155773 A155774 A155775

Keyword

nonn,easy

Author

Vincenzo Librandi, Jan 27 2009

Status

approved