A201849 Primes of the form 7n^2 - 3.

109, 1789, 2797, 4729, 8089, 11197, 17497, 28669, 34297, 38329, 40429, 44797, 51769, 69997, 75709, 78649, 84697, 118297, 129469, 137197, 192889, 216829, 268909, 297049, 351229, 437497, 451609, 473197, 495289, 525529, 646909, 780889

Offset

1,1

Links

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

Mathematica

Select[Table[7n^2-3, {n, 1, 1000}], PrimeQ]

Prog

(Magma) [a: n in [1..400] | IsPrime(a) where a is 7*n^2-3];

Crossrefs

Sequence in context: A059936 A262854 A232118 * A061724 A145852 A232198

Adjacent sequences: A201846 A201847 A201848 * A201850 A201851 A201852

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 06 2011

Status

approved