A201851 Primes of the form 7n^2 - 5.

2, 23, 107, 443, 1367, 1787, 4027, 5483, 8087, 9067, 10103, 12343, 20407, 26903, 32363, 38327, 40427, 51767, 59243, 72823, 75707, 87803, 97463, 104183, 111127, 121963, 125687, 133303, 170347, 192887, 211927, 274423, 302843, 314603

Offset

1,1

Links

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

Mathematica

Select[Table[7n^2-5, {n, 1, 1000}], PrimeQ]

Prog

(Magma) [a: n in [1..500] | IsPrime(a) where a is 7*n^2-5];

Crossrefs

Sequence in context: A352164 A141888 A285811 * A034523 A229222 A143912

Adjacent sequences: A201848 A201849 A201850 * A201852 A201853 A201854

Keyword

nonn

Author

Vincenzo Librandi, Dec 06 2011

Status

approved