A059096 - OEIS

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A059096

Numbers n such that 405*n^8 + 108*n^6 + 27*n^4 + 6*n^2 + 1 is prime.

1, 2, 3, 6, 7, 10, 13, 20, 22, 39, 66, 78, 79, 84, 106, 139, 146, 152, 153, 154, 158, 161, 169, 183, 210, 223, 229, 230, 252, 261, 271, 275, 279, 305, 326, 345, 353, 361, 368, 369, 371, 372, 382, 393, 410, 421, 429, 430, 437, 468, 484, 512, 522, 545, 551, 552

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OFFSET

1,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[600], PrimeQ[(405*#^8 + 108*#^6 + 27*#^4 + 6*#^2 + 1)] &] (* Vincenzo Librandi, Sep 29 2012 *)

PROG

(Magma) [n: n in [0..600] | IsPrime(405*n^8 + 108*n^6 + 27*n^4 + 6*n^2 + 1)]; Vincenzo Librandi, Sep 29 2012

(PARI) is(n)=isprime(405*n^8+108*n^6+27*n^4+6*n^2+1) \\ Charles R Greathouse IV, Jun 12 2017

CROSSREFS

Sequence in context: A161336 A266536 A345090 * A257678 A351554 A002038

Adjacent sequences: A059093 A059094 A059095 * A059097 A059098 A059099

KEYWORD

nonn,easy

AUTHOR

James R. Buddenhagen, Feb 13 2001

STATUS

approved