OFFSET
1,3
COMMENTS
Column 4 of A282230.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..78
EXAMPLE
Some solutions for n=3
..0..1..0..2. .0..1..1..0. .0..0..1..0. .0..0..1..2. .0..1..0..2
..0..0..0..2. .2..0..0..2. .0..0..2..1. .1..2..2..2. .0..0..0..2
..0..2..0..1. .2..0..0..0. .0..1..0..0. .0..2..0..2. .0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 09 2017
STATUS
approved