OFFSET
1,1
COMMENTS
Diagonal of A232023
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..13
EXAMPLE
Some solutions for n=4
..0..0..0..0....1..0..0..1....2..0..0..1....1..0..0..0....0..0..0..0
..1..1..0..1....0..0..2..0....0..0..0..0....0..1..2..2....1..0..0..2
..0..0..0..0....2..2..0..0....0..2..0..0....1..1..1..1....0..0..2..1
..0..0..0..0....2..2..1..1....2..0..0..2....1..1..2..2....0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 17 2013
STATUS
approved