OFFSET
1,2
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
EXAMPLE
17*0+7=7, 17*2+7=41, 17*6+7=109, 17*18+7=211, ...
MATHEMATICA
a={}; Do[x=17*n+7; If[PrimeQ[x], AppendTo[a, n]], {n, 10^2}]; a
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, May 14 2008
EXTENSIONS
Extended by N. J. A. Sloane, Jan 15 2009
STATUS
approved