OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
FORMULA
MATHEMATICA
a = {}; Do[If[PrimeQ[x^4 - x - 1], AppendTo[a, x^4 - x - 1]], {x, 1, 100}]; a
Select[Table[n^4-n-1, {n, 100}], PrimeQ] (* Harvey P. Dale, Aug 27 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Dec 26 2006
EXTENSIONS
Definition corrected by Charles R Greathouse IV, Mar 11 2008
STATUS
approved