OFFSET
1,1
COMMENTS
Diagonal of A250519.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..12
EXAMPLE
Some solutions for n=2
..2..0..0....0..0..0....0..0..3....0..0..1....3..0..2....0..0..2....0..1..1
..0..2..0....0..0..1....0..0..2....2..0..3....0..0..0....1..1..2....0..2..1
..1..0..0....3..3..2....3..2..2....0..3..3....3..0..2....3..2..3....3..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 24 2014
STATUS
approved