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A114369 Smallest prime in kx^3+x+5 is prime. 0
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 (list; graph; refs; listen; history; text; internal format)
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: A283067 A284185 A059772 * A286858 A289370 A286826

Adjacent sequences:  A114366 A114367 A114368 * A114370 A114371 A114372

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Feb 09 2006

STATUS

approved

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Last modified April 6 19:25 EDT 2020. Contains 333286 sequences. (Running on oeis4.)