A199367 Primes of the form 4*n^3 - 1.

3, 31, 107, 499, 863, 5323, 6911, 13499, 23327, 107999, 131071, 364499, 442367, 530603, 1000187, 1149983, 2634011, 2915999, 3764767, 4121203, 5771587, 6243583, 7263391, 7812499, 9199871, 13499999, 14326307, 14895499, 15185663, 16693123, 19651999, 20000843, 20710867, 24513947, 29659499, 31049567, 33461707, 38654387, 50597347, 53248211, 57395627, 59547743

Offset

1,1

Comments

See comment in A199307.

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..800

Mathematica

Select[Table[4n^3-1, {n, 1, 8000}], PrimeQ] (* Vincenzo Librandi, Nov 23 2011 *)

Prog

(Magma) [a: n in [1..250] | IsPrime(a) where a is 4*n^3-1]; // Vincenzo Librandi, Nov 23 2011

Crossrefs

Cf. A199307, A199366.

Sequence in context: A326736 A107197 A096060 * A295534 A119682 A267941

Adjacent sequences: A199364 A199365 A199366 * A199368 A199369 A199370

Keyword

nonn

Author

N. J. A. Sloane, Nov 05 2011

Status

approved