The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A114357

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A114357

Primes of the form 15x^3+x+1.
(history; published version)

#6 by Harvey P. Dale at Sat Mar 07 11:31:30 EST 2015

STATUS

editing

approved

#5 by Harvey P. Dale at Sat Mar 07 11:31:26 EST 2015

MATHEMATICA

Select[Table[15x^3+x+1, {x, 200}], PrimeQ] (* Harvey P. Dale, Mar 07 2015 *)

STATUS

approved

editing

#4 by N. J. A. Sloane at Tue Oct 01 17:58:23 EDT 2013

AUTHOR

_Cino Hilliard (hillcino368(AT)gmail.com), _, Feb 09 2006

Discussion

Tue Oct 01

17:58

OEIS Server: https://oeis.org/edit/global/1955

#3 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

LINKS

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

KEYWORD

easy,nonn,new

#2 by N. J. A. Sloane at Wed Dec 06 03:00:00 EST 2006

KEYWORD

easy,nonn,new

AUTHOR

Cino Hilliard (hillcino368(AT)hotmailgmail.com), Feb 09 2006

#1 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006

NAME

Primes of the form 15x^3+x+1.

DATA

17, 409, 5153, 25933, 32969, 138937, 329309, 539089, 759833, 1366921, 1460087, 2926739, 5145071, 5598793, 5835329, 6584717, 9877633, 10222169, 15918223, 17364481, 17865347, 20514577, 27913129, 47647993, 56946397, 71124649

OFFSET

1,1

LINKS

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

PROG

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

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard (hillcino368(AT)hotmail.com), Feb 09 2006

STATUS

approved