OFFSET
1,1
COMMENTS
Diagonal of A210156
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..9
EXAMPLE
Some solutions for n=4
..3..1..0..0..1....3..1..3..1..3....0..0..3..0..0....1..1..3..2..0
..1..1..1..2..2....3..3..2..1..1....1..1..1..3..3....3..3..0..2..3
..3..0..3..3..0....3..2..0..0..1....3..2..0..0..2....2..1..1..2..1
..0..0..3..3..2....1..1..1..2..1....1..1..3..1..0....1..1..2..0..3
..1..0..1..0..2....2..3..0..2..2....0..1..0..2..0....0..0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 2012
STATUS
approved