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A153348 Numbers n such that 16n+3 is not prime +0
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2, 3, 6, 7, 9, 12, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 27, 28, 30, 32, 33, 36, 37, 38, 39, 42, 44, 45, 47, 48, 50, 51, 52, 53, 54, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 67, 69, 71, 72, 75, 76, 77, 78, 79, 81, 82, 83, 84, 85, 86, 87, 88, 90, 92, 93, 94 (list; graph; listen)
OFFSET

1,1

FORMULA

Let p = prime number; n=(p^2+2p-3)/16 mod (p); or, n=(p^2+14p-3)/16 mod (p)

CROSSREFS

Cf. A092022

Sequence in context: A029467 A029515 A061951 this_sequence A049993 A167793 A018423

Adjacent sequences: A153345 A153346 A153347 this_sequence A153349 A153350 A153351

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Dec 24 2008

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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