A180275 Primes of the form k^3+3*k+1.

5, 37, 757, 1031, 2237, 6917, 22037, 27091, 36037, 117797, 157627, 166541, 262337, 422101, 474787, 493277, 729271, 1643387, 1728361, 1906997, 2147077, 2460781, 2628487, 2686037, 3242237, 3375451, 4020157, 4742137, 5268547, 5359901

Offset

1,1

Comments

Primes in A005491.

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

select(isprime, [seq(n^3+3*n+1, n=1..1000)]); # Robert Israel, Sep 25 2025

Prog

(Magma) [ a: n in [0..250] | IsPrime(a) where a is (n^3+3*n+1)]; // Vincenzo Librandi, Jan 30 2011

Crossrefs

Sequence in context: A083846 A358887 A336241 * A257952 A240186 A003213

Adjacent sequences: A180272 A180273 A180274 * A180276 A180277 A180278

Keyword

nonn

Author

Graziano Aglietti (mg5055(AT)mclink.it), Aug 23 2010

Extensions

Definition corrected, incorrect program deleted - R. J. Mathar, Aug 25 2010

Status

approved