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A153264 Numbers n such that 16*n+15 is not prime. 0
0, 3, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 21, 24, 25, 27, 30, 31, 32, 33, 34, 35, 36, 38, 39, 40, 41, 42, 43, 45, 47, 48, 49, 50, 51, 52, 54, 55, 57, 58, 59, 60, 62, 63, 65, 66, 69, 70, 72, 73, 74, 75, 77, 78, 80, 81, 83, 84, 85, 86, 87, 90, 93, 94, 95, 96, 99 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

Let p = prime number, n=(p^2+2p-15)/16 mod (p); or, n=(p^2+14p-15)/16 mod (p)

CROSSREFS

Cf. A127575.

Sequence in context: A165290 A026430 A002150 * A133561 A095117 A184675

Adjacent sequences:  A153261 A153262 A153263 * A153265 A153266 A153267

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Dec 22 2008

EXTENSIONS

0 added by Arkadiusz Wesolowski, Aug 03 2011

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Last modified February 17 17:35 EST 2012. Contains 206061 sequences.