A201852 Primes of the form 7n^2 - 6.

337, 2017, 2521, 3697, 5881, 21169, 26041, 29569, 35281, 55441, 74257, 92569, 102481, 120121, 123817, 135241, 143137, 199921, 209497, 229321, 255361, 271657, 294169, 305761, 329617, 348097, 386569, 406561, 448057, 462337, 469561, 514081

Offset

1,1

Links

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

Mathematica

Select[Table[7n^2-6, {n, 1, 1000}], PrimeQ]

Prog

(Magma) [a: n in [1..500] | IsPrime(a) where a is 7*n^2-6];

Crossrefs

Sequence in context: A152853 A142830 A160069 * A251271 A263865 A184202

Adjacent sequences: A201849 A201850 A201851 * A201853 A201854 A201855

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 06 2011

Status

approved