OFFSET
1,2
FORMULA
See A065775.
EXAMPLE
First five rows:
0
2 3 2
4 1 2 1 4
2 3 2 3 2 3 2
4 3 2 3 2 3 2 3 4
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Clark Kimberling, Dec 20 2010
STATUS
approved