A201185 Primes of the form 7n^3+4.

11, 193, 5107, 15383, 23629, 48017, 109379, 823547, 928561, 1164629, 2953129, 5630503, 9065207, 17222629, 25071043, 28137757, 31444879, 60305879, 65757521, 67645183, 79734379, 90845129, 108067747, 113359943, 142424923, 152023477

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..2000

Maple

A201185:=n->`if`(isprime(7*n^3+4), 7*n^3+4, NULL): seq(A201185(n), n=1..500); # Wesley Ivan Hurt, Apr 23 2017

Mathematica

Select[Table[7n^3+4, {n, 0, 6000}], PrimeQ]

Prog

(Magma) [a: n in [0..400] | IsPrime(a) where a is 7*n^3+4]

Crossrefs

Sequence in context: A112127 A364942 A142996 * A345342 A218818 A243646

Adjacent sequences: A201182 A201183 A201184 * A201186 A201187 A201188

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 29 2011

Status

approved