OFFSET
1,2
COMMENTS
Column 6 of A278006.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=2
..0..1..0..1..1..2. .0..1..0..1..0..1. .0..1..2..1..1..0. .0..1..2..1..2..1
..2..1..2..0..1..0. .1..2..0..2..2..2. .2..0..0..1..2..1. .2..0..2..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 08 2016
STATUS
approved