OFFSET
1,1
COMMENTS
Column 3 of A186019
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..143
EXAMPLE
Some solutions for 4X5
..2..2..0..0..3....2..0..3..0..1....0..0..0..0..1....2..2..1..1..0
..0..0..2..3..1....0..0..0..2..3....0..0..2..2..1....0..0..2..1..2
..0..0..0..2..0....0..0..2..0..1....0..0..2..2..0....0..0..0..0..3
..0..0..0..2..0....0..0..0..2..3....0..0..0..0..2....0..0..0..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 10 2011
STATUS
approved