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

Author

Vincenzo Librandi, Dec 05 2011

Keywords

• nonn
• easy

Comments

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

Links

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

Crossrefs

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

Programs

Magma

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

Mathematica

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