OFFSET
1,1
COMMENTS
Column 6 of A280902.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..57
EXAMPLE
Some solutions for n=2
..0..1..1..0..2..0. .0..1..1..1..0..1. .0..1..0..1..1..2. .0..1..2..1..1..0
..1..2..2..1..0..0. .1..2..0..1..0..2. .2..0..0..1..0..1. .1..1..2..1..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 10 2017
STATUS
approved