A201859 Primes of the form 8n^2 - 9.

23, 191, 383, 503, 1559, 2039, 2879, 3191, 3863, 5399, 6263, 6719, 9239, 9791, 12791, 14783, 19991, 26903, 29759, 33791, 39191, 46199, 49919, 53783, 55103, 57791, 59159, 66239, 91583, 100343, 113279, 117119, 124991, 129023, 131063

Offset

1,1

Links

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

Mathematica

Select[Table[8n^2-9, {n, 1, 800}], PrimeQ]

Prog

(Magma) [a: n in [1..400] | IsPrime(a) where a is 8*n^2-9];

Crossrefs

Sequence in context: A126518 A167467 A129052 * A232150 A269086 A160083

Adjacent sequences: A201856 A201857 A201858 * A201860 A201861 A201862

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 06 2011

Status

approved