OFFSET
1,1
COMMENTS
Diagonal of A251779
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..14
EXAMPLE
Some solutions for n=3
..3..2..1..3..2....3..0..3..0..3....0..0..3..3..0....0..3..3..0..0
..3..1..2..3..1....0..2..1..0..2....2..3..1..2..3....2..0..1..2..3
..0..0..3..0..0....3..1..2..3..1....1..3..2..1..3....1..0..2..1..0
..0..2..1..0..2....0..3..0..0..3....0..0..3..3..0....0..3..3..0..3
..3..1..2..3..1....0..2..1..3..2....2..0..1..2..3....2..0..1..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 08 2014
STATUS
approved