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A256674
Numbers n such that n^2 + n + 712329866165608771 is prime.
1
3, 6, 23, 24, 36, 54, 57, 62, 63, 78, 113, 123, 134, 138, 140, 149, 158, 167, 173, 174, 189, 194, 198, 200, 204, 228, 240, 255, 260, 267, 297, 329, 341, 353, 375, 396, 399, 413, 425, 435, 444, 473, 480, 482, 491, 495, 503, 515, 516, 519, 534, 546, 548, 554, 576
OFFSET
1,1
COMMENTS
For comment see A256312.
LINKS
R. A. Mollin, Prime-producing quadratics, Amer. Math. Monthly 104 (1997),page 542.
MATHEMATICA
Select[Range[700], PrimeQ[#^2 + # + 712329866165608771] &]
PROG
(Magma) [n: n in [0..100] | IsPrime(n^2+n+712329866165608771)];
(PARI) is(n)=isprime(n^2+n+712329866165608771) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Cf. A256312 (associated primes).
Sequence in context: A366483 A117850 A090910 * A176424 A341549 A151443
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 07 2015
STATUS
approved