OFFSET
1,1
COMMENTS
Row 3 of A269646.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..44
EXAMPLE
Some solutions for n=4
..2..1..0..0. .0..0..2..2. .2..2..2..0. .0..0..0..2. .0..0..2..1
..2..2..1..1. .1..1..1..1. .0..0..0..2. .1..1..2..2. .1..2..2..1
..0..0..2..1. .2..0..0..2. .1..1..1..1. .0..1..1..2. .0..1..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 02 2016
STATUS
approved