OFFSET
1,1
COMMENTS
Diagonal of A233644
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..12
EXAMPLE
Some solutions for n=3
..2..2..1..2....1..1..1..1....1..0..1..1....1..1..2..2....1..0..0..1
..1..1..1..1....2..1..0..0....1..1..1..0....2..1..2..1....1..1..1..1
..0..0..1..0....2..1..1..1....1..2..1..1....1..1..1..1....1..2..2..1
..1..1..1..0....2..1..2..1....2..2..1..2....1..2..2..2....1..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 14 2013
STATUS
approved