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A125882 Numbers k for which k^4+k^3-1 is prime. 4
2, 3, 6, 11, 13, 18, 24, 34, 38, 39, 43, 49, 52, 57, 58, 73, 74, 79, 90, 102, 104, 107, 113, 116, 122, 123, 126, 135, 139, 148, 155, 181, 183, 188, 193, 199, 203, 223, 234, 240, 247, 256, 261, 272, 273, 277, 286, 288, 298, 303, 329, 338, 344, 346, 357, 364, 366 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

MATHEMATICA

Do[If[PrimeQ[x^4 + x^3 - 1], Print[x]], {x, 1, 100}]

PROG

(PARI) is(n)=isprime(n^4+n^3-1) \\ Charles R Greathouse IV, May 15 2013

CROSSREFS

Cf. A045546, A125881, A125883, A125884, A125885.

Sequence in context: A116441 A116051 A124593 * A057758 A057125 A018687

Adjacent sequences:  A125879 A125880 A125881 * A125883 A125884 A125885

KEYWORD

nonn

AUTHOR

Artur Jasinski, Dec 14 2006

EXTENSIONS

More terms from Amiram Eldar, Mar 18 2020

STATUS

approved

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Last modified October 16 12:23 EDT 2021. Contains 348041 sequences. (Running on oeis4.)