OFFSET
1,1
COMMENTS
3*2-2=4 not prime, 17*3-2=49 not prime,... 3*3-2=7 is prime and not in this sequence.
MATHEMATICA
lst={}; Do[p=Prime[n]; If[ !PrimeQ[3*p-2], AppendTo[lst, p]], {n, 6!}]; lst
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Dec 22 2008
EXTENSIONS
Minor edits by N. J. A. Sloane, Jul 08 2010
STATUS
approved