A126893 Numbers k such that k^6 + 82991 is prime.

7980, 8526, 11676, 18774, 26754, 31584, 34314, 34650, 43134, 51576, 64176, 65184, 65730, 65856, 70224, 71190, 71316, 76650, 78834, 79506, 81564, 84294, 91266, 92904, 96096, 96894, 105294, 110376, 111090, 113484, 117684, 118146, 118566

Offset

1,1

References

Ribenboim P., 1996. The Little Book of Big Primes. Springer Verlag.

Links

Table of n, a(n) for n=1..33.

Mathematica

a = {}; Do[If[PrimeQ[x^6 + 82991], AppendTo[a, x]], {x, 7978, 40000}]; a
Select[ Range@119000, PrimeQ[#^6 + 82991] &] (* Robert G. Wilson v, Jan 21 2018 *)

Prog

(Magma) [n: n in [0..200] | IsPrime(n^6+82991)] // Vincenzo Librandi, Nov 23 2010
(PARI) is(n)=isprime(n^6+82991) \\ Charles R Greathouse IV, Feb 17 2017

Crossrefs

Cf. A066386, A126894, A126895.

Sequence in context: A252190 A233730 A175507 * A217068 A043614 A223285

Adjacent sequences: A126890 A126891 A126892 * A126894 A126895 A126896

Keyword

nonn

Author

Artur Jasinski, Dec 31 2006

Status

approved