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A180939 Numbers n such that n^2 - 2999n + 2248541 is prime. 0

%I #8 Dec 15 2017 17:37:11

%S 1,5,6,7,9,11,16,17,18,21,26,27,33,34,35,38,43,46,47,50,51,53,54,55,

%T 56,57,59,60,62,63,67,69,70,71,75,76,77,80,84,86,88,89,91,97,98,99,

%U 100,103,107,113,115,117,119,120,121,123,126,132,136,138,140,141,142,150,157

%N Numbers n such that n^2 - 2999n + 2248541 is prime.

%D Albert H. Beiler, Recreations in the Theory of Numbers, New York: Dover, 1966. Page 220.

%t Select[Range[200],PrimeQ[#^2-2999#+2248541]&] (* _Harvey P. Dale_, Mar 26 2013 *)

%o (PARI) is(n)=isprime(n^2-2999*n+2248541) \\ _Charles R Greathouse IV_, Jun 13 2017

%K easy,nonn

%O 1,2

%A _Jason Earls_, Sep 27 2010

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)