OFFSET
1,1
COMMENTS
Diagonal of A251373
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..12
EXAMPLE
Some solutions for n=2
..2..0..0....1..1..0....0..0..1....0..1..1....0..1..0....1..2..1....2..0..1
..0..1..2....2..0..2....0..2..2....2..1..1....0..1..0....2..1..1....2..2..1
..0..0..1....1..2..1....1..1..2....2..2..0....2..1..1....1..1..2....1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved