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 A125882 Numbers k for which k^4+k^3-1 is prime. 4

%I

%S 2,3,6,11,13,18,24,34,38,39,43,49,52,57,58,73,74,79,90,102,104,107,

%T 113,116,122,123,126,135,139,148,155,181,183,188,193,199,203,223,234,

%U 240,247,256,261,272,273,277,286,288,298,303,329,338,344,346,357,364,366

%N Numbers k for which k^4+k^3-1 is prime.

%H Amiram Eldar, <a href="/A125882/b125882.txt">Table of n, a(n) for n = 1..10000</a>

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

%o (PARI) is(n)=isprime(n^4+n^3-1) \\ _Charles R Greathouse IV_, May 15 2013

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

%K nonn

%O 1,1

%A _Artur Jasinski_, Dec 14 2006

%E More terms from _Amiram Eldar_, Mar 18 2020

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Last modified December 6 01:25 EST 2021. Contains 349558 sequences. (Running on oeis4.)