OFFSET
1,1
COMMENTS
Generating polynomial belongs to the family of irreducible polynomials (or trinomials) of the form x^n+x^(n-1)-1.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..1000 from Harvey P. Dale)
MATHEMATICA
Do[If[PrimeQ[x^3 + x^2 - 1], Print[x]], {x, 1, 100}]
Select[Range[250], PrimeQ[#^3 + #^2 - 1] &] (* Harvey P. Dale, Jan 20 2015 *)
PROG
(PARI) isok(n) = isprime(n^3+n^2-1); \\ Michel Marcus, Nov 08 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Dec 14 2006
EXTENSIONS
More terms from Michel Marcus, Nov 08 2013
STATUS
approved