OFFSET
1,1
COMMENTS
Column 7 of A280673.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for n=2
..0..0..1..1..0..0..1. .0..1..0..1..0..1..2. .0..1..0..1..0..2..2
..2..2..0..2..2..1..2. .2..2..1..2..1..2..1. .1..2..1..2..0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 07 2017
STATUS
approved