OFFSET
1,1
COMMENTS
6 is composite(2) and 6+2 = 8 is composite, so 6 is a term.
10 is composite(5) and 10+5 = 15 is composite, so 10 is a term.
CROSSREFS
KEYWORD
nonn
AUTHOR
Claudio Meller, Jun 13 2009
STATUS
approved