OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 19 2011
STATUS
approved