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A189242
Numbers n such that 24*n+17 is not prime.
1
2, 6, 7, 8, 12, 13, 15, 17, 19, 20, 22, 27, 28, 29, 30, 32, 34, 37, 41, 42, 44, 46, 47, 48, 51, 52, 54, 55, 57, 60, 62, 63, 65, 67, 68, 69, 72, 73, 74, 75, 76, 77, 80, 81, 82, 83, 84, 85, 87, 90, 91, 92, 93, 96, 97, 98, 102, 103, 104, 105, 106, 107, 111, 112, 117, 118
OFFSET
1,1
LINKS
EXAMPLE
Distribution of the terms in the following triangular array:
*;
*,*;
*,*,*;
*,*,*,*;
*,*,*,*,*;
*,2,*,*,*,*;
*,*,*,*,*,*,*;
*,*,*,*,*,*,*,*;
*,*,*,*,8,*,*,*,*;
*,*,*,*,*,*,*,*,*,*;
*,*,6,*,*,*,*,*,*,*,*;
*,*,*,*,*,*,*,17,*,*,*,*; etc.
where * marks the non-integer values of (2*h*k + k + h - 8)/12 with h >= k >= 1. - Vincenzo Librandi, Jan 15 2013
MATHEMATICA
Select[Range[1, 300], !PrimeQ[24 # + 17] &] (* Vincenzo Librandi, Aug 05 2012 *)
PROG
(Magma) [n: n in [0..200] | not IsPrime(24*n+17)]; // Vincenzo Librandi, Apr 19 2011
CROSSREFS
Sequence in context: A194369 A039592 A037454 * A285160 A362462 A287321
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 19 2011
STATUS
approved