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A027758 Primes of form n^2 + n + 9. 4
11, 29, 191, 281, 389, 659, 821, 1901, 2459, 3089, 5861, 6329, 7841, 11351, 14051, 14771, 19469, 21179, 22961, 23879, 30809, 36299, 42239, 43481, 44741, 55469, 56891, 64271, 67349, 72101, 73721, 90911, 96419, 137279, 139511 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

P. De Geest, World!Of Numbers

PROG

(MAGMA)[ a: n in [0..450] | IsPrime(a) where a is n^2+n+9 ]; [From Vincenzo Librandi, Dec 29 2010]

CROSSREFS

Sequence in context: A099109 A024831 A122095 * A057739 A146751 A162734

Adjacent sequences:  A027755 A027756 A027757 * A027759 A027760 A027761

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified February 13 06:53 EST 2012. Contains 205451 sequences.