A200915 Primes of the form 7n^3-1.

1511, 3583, 19207, 40823, 123031, 188999, 774143, 1229311, 1511999, 2012471, 3583999, 4148927, 4452391, 6588343, 7874047, 10370807, 14002631, 14680063, 34390999, 40823999, 45043991, 82966463, 89690327, 114709447, 150394663

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Select[Table[7n^3-1, {n, 1, 3500}], PrimeQ]

Prog

(Magma) [a: n in [1..400] | IsPrime(a) where a is 7*n^3-1]
(PARI) for(n=1, 1e3, if(isprime(t=7*n^3-1), print1(t", "))) \\ Charles R Greathouse IV, Nov 24 2011

Crossrefs

Sequence in context: A281569 A252553 A237725 * A298223 A060676 A230402

Adjacent sequences: A200912 A200913 A200914 * A200916 A200917 A200918

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 24 2011

Status

approved