A201781 Primes of the form 3*m^2 - 8.

19, 67, 139, 499, 859, 1579, 1867, 2179, 3259, 4099, 6067, 6619, 8419, 9067, 9739, 22699, 25939, 27067, 28219, 38299, 39667, 46867, 54667, 56299, 61339, 63067, 73939, 79699, 81667, 89779, 91867, 93979, 100459, 102667, 114067, 123619

Offset

1,1

Comments

m is a member of A063241. - Bruno Berselli, Feb 16 2016

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

Mathematica

Select[Table[3n^2 - 8, {n, 2, 1000}], PrimeQ]

Prog

(Magma) [a: n in [2..300] | IsPrime(a) where a is 3*n^2-8];

Crossrefs

Cf. A089682, A201715, A201716, A201717, A201718.

Sequence in context: A244146 A104047 A239714 * A165806 A357676 A142404

Adjacent sequences: A201778 A201779 A201780 * A201782 A201783 A201784

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 05 2011

Status

approved