OFFSET
1,1
COMMENTS
Diagonal of A234068
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..9
EXAMPLE
Some solutions for n=1
..1..2..0....0..2..0....2..0..1....1..2..1....1..0..1....2..0..0....1..1..0
..1..1..3....1..0..0....0..3..1....2..0..2....1..3..2....2..0..0....0..0..2
..0..3..3....2..2..0....2..1..1....3..0..1....0..1..0....3..0..3....3..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2013
STATUS
approved