OFFSET
1,1
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
EXAMPLE
17*2 - 1 = 33 = 3*11, so 33 is not a term;
17*16 - 1 = 271 (prime), so 217 is a term.
MATHEMATICA
Select[Range[17, 15000, 17]-1, PrimeQ] (* Vladimir Joseph Stephan Orlovsky, May 18 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Jun 28 2008
EXTENSIONS
More terms from N. J. A. Sloane, Jul 11 2008
STATUS
approved