OFFSET
1,1
COMMENTS
Column 5 of A280362.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..0..1..2. .0..1..2..0..0. .0..1..2..1..0. .0..1..2..0..1
..0..2..2..0..1. .2..0..1..2..1. .2..0..1..2..1. .2..0..1..2..0
..1..1..0..2..2. .1..0..2..0..0. .1..1..2..0..0. .1..2..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2017
STATUS
approved