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A272437 Nonnegative numbers n such that abs(-66n^3 + 3845n^2 - 60897n + 251831) is prime. 6
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 49, 51, 54, 58, 65, 68, 70, 75, 76, 77, 82, 88, 89, 97, 99, 101, 102, 104, 109 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

46 is the smallest number not in this sequence.

LINKS

Robert Price, Table of n, a(n) for n = 1..3012

Eric Weisstein's World of Mathematics, Prime-Generating Polynomials

EXAMPLE

4 is in this sequence since abs(-66*4^3 + 3845*4^2 - 60897*4 + 251831) = abs(-4224+61520-243588+251831) = 65539 is prime.

MATHEMATICA

Select[Range[0, 109], PrimeQ[-66#^3 + 3845#^2 - 60897# + 251831] &]

PROG

(PARI) is(n)=isprime(abs(66*n^3-3845*n^2+60897*n-251831)) \\ Charles R Greathouse IV, Feb 20 2017

CROSSREFS

Cf. A050268, A050267, A005846, A007641, A007635, A048988, A050265, A050266, A271980, A272030, A272074, A272075, A272160, A271144, A272285, A272401, A272438.

Sequence in context: A180925 A272302 A272443 * A247151 A267069 A083243

Adjacent sequences:  A272434 A272435 A272436 * A272438 A272439 A272440

KEYWORD

nonn

AUTHOR

Robert Price, Apr 29 2016

STATUS

approved

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Last modified August 10 07:40 EDT 2022. Contains 356029 sequences. (Running on oeis4.)