OFFSET
1,1
COMMENTS
Diagonal of A251283
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..9
EXAMPLE
Some solutions for n=2
..1..0..0....1..3..3....1..2..3....2..0..2....1..0..1....3..0..0....0..0..1
..2..0..1....3..3..1....0..3..3....0..0..2....1..2..1....2..0..2....1..0..3
..0..2..1....0..1..1....2..2..2....0..0..0....3..2..2....0..0..2....2..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved