OFFSET
1,1
COMMENTS
Second term onwards every prime == 1 (mod 6).
Conjecture: every prime of the type 6k+1 is a member. Comment from Vim Wenders, May 27 2008: The conjecture is worng. For example 19 is missing..
FORMULA
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jul 30 2003
EXTENSIONS
Corrected and extended by David Wasserman, Mar 11 2005
STATUS
approved