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A114269 Numbers k such that k^2 + 6 is prime. 17
1, 5, 11, 19, 25, 31, 35, 61, 65, 79, 89, 91, 109, 131, 145, 151, 175, 185, 199, 221, 269, 329, 331, 355, 401, 431, 445, 481, 485, 511, 515, 529, 539, 569, 595, 605, 611, 649, 695, 709, 731, 775, 779, 859, 889, 905, 929, 941, 949, 955, 971, 985, 991 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

MATHEMATICA

With[{k=6}, Select[Range[1000], PrimeQ[ #^2+k]&]]

PROG

(PARI) is(n)=isprime(n^2+6) \\ Charles R Greathouse IV, Jan 21 2015

CROSSREFS

Other sequences of the type "Numbers k such that k^2 + i is prime": A005574 (i=1), A067201 (i=2), A049422 (i=3), A007591 (i=4), A078402 (i=5), A114270 (i=7), A114271 (i=8), A114272 (i=9), A114273 (i=10), A114274 (i=11), A114275 (i=12).

Sequence in context: A032674 A100141 A117089 * A124855 A286690 A190756

Adjacent sequences:  A114266 A114267 A114268 * A114270 A114271 A114272

KEYWORD

nonn

AUTHOR

Zak Seidov, Nov 19 2005

STATUS

approved

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Last modified January 22 08:58 EST 2018. Contains 298042 sequences.