OFFSET
1,3
COMMENTS
Column 5 of A282230.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for n=3
..0..1..2..0..2. .0..1..0..2..0. .0..0..1..2..2. .0..0..1..0..0
..0..0..2..2..2. .0..0..1..1..1. .0..0..2..0..2. .1..0..0..2..2
..0..1..0..1..2. .1..1..1..1..0. .1..0..0..0..1. .0..1..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 09 2017
STATUS
approved