OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
19*2-1=37, 19*6-1=113, 19*8-1=151, ...
MATHEMATICA
a={}; Do[x=19*n-1; If[PrimeQ[x], AppendTo[a, n]], {n, 10^2}]; a
Select[Range[500], PrimeQ[19*#-1]&] (* Harvey P. Dale, Sep 05 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, May 15 2008
EXTENSIONS
More terms from Harvey P. Dale, Sep 05 2012
STATUS
approved