OFFSET
1,1
COMMENTS
If n is a member then n == 0 (mod 3).
EXAMPLE
39 *60 + 1 = 2341 is a prime.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Oct 02 2003
EXTENSIONS
More terms from Ray Chandler, Oct 06 2003
STATUS
approved