OFFSET
1,1
COMMENTS
Column 6 of A269152.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..2..3..3..2..3..2. .3..2..0..1..3..3. .1..1..3..3..2..0. .2..2..3..2..2..0
..0..1..3..2..2..0. .0..2..0..1..1..1. .0..1..1..1..0..1. .0..2..2..2..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 20 2016
STATUS
approved