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A201612 Primes of the form 8n^2 + 5. 1
5, 13, 37, 293, 397, 653, 2053, 3533, 3877, 5413, 6277, 6733, 10957, 14797, 15493, 19213, 23333, 25997, 30757, 36997, 48677, 55117, 56453, 69197, 75277, 76837, 86533, 98573, 100357, 109517, 117133, 129037, 139397, 143653, 154573 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Table[8n^2+5, {n, 0, 1000}], PrimeQ]

PROG

(MAGMA) [a: n in [0..300] | IsPrime(a) where a is 8*n^2+5];

CROSSREFS

Sequence in context: A146925 A146452 A146062 * A129924 A080143 A077919

Adjacent sequences:  A201609 A201610 A201611 * A201613 A201614 A201615

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Dec 03 2011

STATUS

approved

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Last modified May 31 16:29 EDT 2020. Contains 334748 sequences. (Running on oeis4.)