OFFSET
1,2
COMMENTS
Column 6 of A286979.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..38
EXAMPLE
Some solutions for n=3
..1..1..0..1..0..0. .0..1..1..1..0..0. .0..1..1..0..0..0. .1..0..0..0..1..0
..1..0..0..1..0..0. .0..0..0..1..0..0. .1..0..0..0..0..0. .0..0..0..1..1..0
..1..1..0..0..0..0. .0..0..0..0..1..0. .0..0..0..0..0..0. .0..1..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 17 2017
STATUS
approved