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A201713 Primes of the form 2n^2 - 5. 3
3, 13, 67, 157, 283, 643, 877, 1453, 3037, 4603, 5197, 5827, 7933, 8707, 12163, 14107, 17293, 18427, 19597, 30253, 34843, 38083, 41467, 56443, 58477, 62653, 66973, 71437, 83227, 93307, 95917, 98563, 103963, 109507, 118093, 123997 (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[2n^2-5, {n, 2, 1000}], PrimeQ]

PROG

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

CROSSREFS

Sequence in context: A110530 A142979 A302303 * A298611 A136784 A284717

Adjacent sequences:  A201710 A201711 A201712 * A201714 A201715 A201716

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Dec 04 2011

STATUS

approved

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Last modified February 21 21:36 EST 2020. Contains 332113 sequences. (Running on oeis4.)