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A114350 Primes of the form 2x^3 + x + 1. 0

%I

%S 19,439,1033,2011,3469,5503,8209,21319,27673,43933,78643,170413,

%T 221233,250051,314983,351289,476719,524353,1185493,1557469,2963203,

%U 4000879,4194433,5256283,5488141,8503219,9826171,10536223,10903729,11664181

%N Primes of the form 2x^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[2x^3+x+1,{x,200}],PrimeQ] (* _Harvey P. Dale_, Jan 07 2011 *)

%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 September 25 19:18 EDT 2021. Contains 347659 sequences. (Running on oeis4.)