A201856 Primes of the form 8n^2 - 3.

5, 29, 197, 389, 509, 797, 2309, 4229, 6269, 10949, 11549, 17669, 19997, 22469, 24197, 33797, 51197, 55109, 61949, 67709, 75269, 76829, 79997, 84869, 96797, 102149, 119069, 135197, 141509, 156797, 161309, 168197, 175229, 184829

Offset

1,1

Links

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

Mathematica

Select[Table[8n^2-3, {n, 1, 1000}], PrimeQ]

Prog

(Magma) [a: n in [1..400] | IsPrime(a) where a is 8*n^2-3];

Crossrefs

Sequence in context: A086672 A324962 A306932 * A201115 A199419 A094710

Adjacent sequences: A201853 A201854 A201855 * A201857 A201858 A201859

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 06 2011

Status

approved