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A114353 Primes of the form 7x^3+x+1. 0

%I

%S 59,193,881,3593,5113,12109,64849,85193,123059,229409,384143,415273,

%T 726809,1042193,1229369,1296409,1437713,2953201,3195809,3720169,

%U 6193249,6588443,7212209,8575409,10100393,10370923,16842863,17999609,19208141

%N Primes of the form 7x^3+x+1.

%H David Broadhurst, <a href="http://physics.open.ac.uk/~dbroadhu/chg_alg.pdf">An algebraic approach to primality proving</a>.

%t Select[Table[7x^3+x+1,{x,0,150}],PrimeQ] (* _Harvey P. Dale_, Dec 21 2015 *)

%o (PARI) g(n,k) = for(x=1,n,y=k*x^3+x+1;if(isprime(y),print1(y",")))

%K easy,nonn

%O 1,1

%A _Cino Hilliard_, Feb 09 2006

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Last modified October 14 16:48 EDT 2019. Contains 328022 sequences. (Running on oeis4.)