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A201857 Primes of the form 8n^2 - 5. 1
3, 67, 283, 643, 4603, 5827, 8707, 12163, 14107, 18427, 34843, 38083, 41467, 56443, 83227, 93307, 98563, 103963, 109507, 139387, 165883, 172867, 194683, 202243, 233923, 267907, 276763, 285763, 383683, 449347, 484123, 544963, 596227 (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, 1, 300}], PrimeQ]

PROG

(MAGMA) [a: n in [1..300] | IsPrime(a) where a is 8*n^2-5];

CROSSREFS

Sequence in context: A041983 A263549 A225191 * A294395 A186208 A217625

Adjacent sequences:  A201854 A201855 A201856 * A201858 A201859 A201860

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Dec 06 2011

STATUS

approved

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Last modified November 17 03:06 EST 2019. Contains 329216 sequences. (Running on oeis4.)