OFFSET
1,1
COMMENTS
Column 5 of A279871.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..1..0..0. .0..1..1..1..0. .0..0..1..1..0. .0..0..0..0..0
..0..1..1..0..0. .0..0..0..1..0. .0..1..1..1..0. .1..1..0..0..1
..2..2..1..0..0. .2..2..0..1..0. .0..1..0..0..0. .1..1..1..1..1
..2..2..1..1..0. .2..2..0..0..0. .1..1..0..0..0. .1..1..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2016
STATUS
approved