OFFSET
1,1
COMMENTS
Column 5 of A278807.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..109
EXAMPLE
Some solutions for n=4
..1..1..1..1..0. .1..1..0..0..0. .1..1..0..0..0. .1..1..0..0..0
..2..1..1..0..0. .1..1..1..0..0. .1..1..1..1..0. .1..1..1..1..0
..2..2..0..1..2. .1..1..2..2..2. .2..0..1..0..1. .1..1..2..1..2
..2..2..1..1..2. .2..1..1..2..2. .2..0..1..0..2. .2..1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 28 2016
STATUS
approved