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A174822 Primes of form n^4 - n^2 - 1. 0

%I

%S 11,71,239,599,1259,2351,14519,38219,83231,104651,129959,279311,

%T 389999,530711,1047551,1678319,2824079,3416951,8500139,12956399,

%U 17846399,22662359,26868671,35147111,40953599,45205451,47451431,57282191,59961791

%N Primes of form n^4 - n^2 - 1.

%e a(2) = 71 is in the sequence because 3^4 + 3^2 - 1 = 71 is prime.

%t a={}; Do[p=n^4-n^2-1; If[PrimeQ[p], AppendTo[a, p]], {n, 10^2}]; Print[a];

%t Select[Table[n^4-n^2-1,{n,100}],PrimeQ] (* _Harvey P. Dale_, Jun 15 2014 *)

%K nonn

%O 1,1

%A _Michel Lagneau_, Dec 01 2010

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Last modified February 16 21:31 EST 2020. Contains 331975 sequences. (Running on oeis4.)