OFFSET
1,1
COMMENTS
Diagonal of A252210
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions for n=3
..3..0..1..0..0....3..2..2..0..2....1..1..2..1..1....2..3..2..2..0
..0..3..1..0..0....1..0..0..1..3....0..3..1..0..3....0..1..3..0..1
..1..1..2..1..1....0..2..2..3..2....3..0..1..0..0....2..3..2..2..0
..0..3..1..3..3....3..2..2..3..2....1..1..2..1..1....2..3..2..2..3
..3..0..1..3..3....1..3..3..1..3....0..0..1..3..3....3..1..3..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2014
STATUS
approved