OFFSET
1,1
COMMENTS
Column 7 of A280124.
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0. .0..0..1..1..1..2..0. .0..0..1..1..1..1..1
..0..0..0..0..1..0..0. .0..1..1..1..0..0..0. .0..0..1..1..2..1..1
..0..0..1..1..1..2..2. .1..1..1..0..0..1..1. .0..1..1..2..2..0..0
..0..1..1..1..2..2..2. .1..1..0..0..1..1..1. .1..1..2..2..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2016
STATUS
approved