OFFSET
1,2
COMMENTS
Column 7 of A277659.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..13
EXAMPLE
Some solutions for n=3
..0..1..0..1..0..2..1. .0..1..2..0..2..1..0. .0..1..0..2..1..0..2
..2..2..2..2..0..2..0. .2..0..2..1..0..1..2. .2..2..0..1..1..2..1
..0..1..0..0..1..2..1. .0..1..0..2..2..0..1. .1..0..2..1..0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 26 2016
STATUS
approved