OFFSET
1,8
COMMENTS
LINKS
N. J. A. Sloane, Classic Sequences.
EXAMPLE
The first ten pairs (a,b) are (1,0), (2,1), (2,0), (3,0), (4,0)
(3,1), (4,1), (3,2), (4,2), (5,2).
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Sep 16 2009
STATUS
approved