OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Flatten[Table[If[PrimeQ[3*n - 2] && PrimeQ[3*n - 4], n, {}], {n, 1, 500}]]
Select[Range[500], And@@PrimeQ[3#-{4, 2}]&] (* Harvey P. Dale, Jun 21 2012 *)
CROSSREFS
KEYWORD
nonn,less,easy
AUTHOR
Roger L. Bagula, May 03 2010
EXTENSIONS
Formula added by the Assoc. Eds. of the OEIS, May 03 2010.
STATUS
approved