OFFSET
1,1
COMMENTS
Column 5 of A185435
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for 4X7
..0..0..0..0..0..0..1....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..2....0..0..0..0..0..0..2....0..0..0..0..0..1..5
..0..0..0..0..0..3..1....0..0..0..0..0..1..2....0..0..0..0..0..4..0
..0..0..0..0..0..6..2....0..0..0..0..0..2..4....0..0..0..0..0..4..7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 27 2011
STATUS
approved