OFFSET
1,2
COMMENTS
Column 5 of A278099.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..98
EXAMPLE
Some solutions for n=3
..0..3..2..0..1. .0..1..0..0..1. .0..3..3..0..1. .0..1..2..3..2
..1..2..1..1..2. .0..2..3..3..2. .1..2..3..2..2. .3..1..3..0..3
..0..0..0..0..3. .3..3..0..1..0. .0..1..1..0..3. .3..0..3..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 12 2016
STATUS
approved