OFFSET
1,2
COMMENTS
Row 5 of A279580.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..25
EXAMPLE
Some solutions for n=2
..0..1. .0..0. .0..1. .0..0. .0..1. .0..0. .0..1. .0..0. .0..1. .0..1
..0..0. .1..0. .1..2. .1..0. .2..0. .1..1. .1..2. .1..1. .1..0. .2..2
..0..2. .1..2. .1..2. .2..2. .0..1. .2..0. .1..2. .0..1. .2..1. .0..0
..1..2. .1..0. .1..1. .1..1. .1..1. .2..1. .1..0. .0..2. .1..1. .2..0
..2..1. .1..0. .1..0. .0..2. .2..1. .1..0. .1..1. .1..0. .2..1. .2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2016
STATUS
approved