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A111001 Numbers n such that (23*n^2) - 25 is prime. 0
2, 8, 14, 48, 54, 56, 58, 78, 84, 92, 96, 106, 128, 142, 154, 156, 174, 184, 212, 222, 238, 252, 272, 282, 288, 342, 362, 366, 372, 378, 398, 418, 436, 448, 454, 464, 474, 488, 496, 516, 518, 524, 526, 532, 546, 554, 574, 594, 604, 618, 624, 638, 656, 664, 702 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

If n=92 then (23*n^2) - 25 = 194647 (prime).

PROG

(MAGMA) [n: n in [2..100000] |IsPrime((23*n^2)-25)] [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2010]

CROSSREFS

Sequence in context: A162484 A039660 A119752 * A055258 A192777 A054981

Adjacent sequences:  A110998 A110999 A111000 * A111002 A111003 A111004

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 30 2005

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.