OFFSET
1,1
COMMENTS
Diagonal of A206238
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..16
EXAMPLE
Some solutions for n=4
..0..1..0..0..1....0..1..0..0..1....0..0..1..2..0....0..1..2..1..0
..2..0..0..1..0....0..0..2..0..0....0..3..2..2..0....1..2..2..1..1
..0..0..1..0..0....1..0..0..3..0....3..2..2..0..1....2..2..0..2..2
..2..2..0..0..1....2..3..0..0..1....2..2..3..1..1....0..0..2..2..3
..3..2..0..2..0....2..2..3..0..0....2..3..1..1..0....3..0..2..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 05 2012
STATUS
approved