OFFSET
1,1
COMMENTS
Diagonal of A223801
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..11
EXAMPLE
Some solutions for n=3
..0..0..0....0..1..1....2..1..1....2..3..1....2..1..0....2..1..1....2..3..2
..3..0..0....0..2..0....0..3..2....0..3..0....0..2..3....0..3..3....1..3..1
..0..0..0....1..2..2....1..2..3....0..0..1....3..3..1....0..2..2....3..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2013
STATUS
approved