A114369 Smallest prime in kx^3+x+5 is prime.

7, 7, 23, 31, 11, 1307, 13, 71, 79, 393079, 17, 103, 19, 81671, 127, 1033, 23, 151, 521, 167, 4547, 128327, 29, 199, 31, 71363, 223, 1801, 239, 6491, 37, 263, 271, 362059, 41, 43, 311, 1061, 163861, 47, 21517, 250799, 359, 367, 2953, 53, 131731, 107671, 3209

Offset

0,1

Comments

Primes exist in this sequence for all k.

Links

Table of n, a(n) for n=0..48.

Prog

(PARI) g2(n, p) = for(k=1, n, for(x=1, n, y=k*x^3+x+p; if(isprime(y), print1(y", "); break)))

Crossrefs

Sequence in context: A284185 A059772 A363102 * A286858 A289370 A286826

Adjacent sequences: A114366 A114367 A114368 * A114370 A114371 A114372

Keyword

easy,nonn

Author

Cino Hilliard, Feb 09 2006

Status

approved