OFFSET
1,2
COMMENTS
Column 6 of A203846
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..22
EXAMPLE
Some solutions for n=4
..1..3..3..0..3..3....0..2..2..3..3..0....0..3..3..1..2..2....1..1..2..2..2..0
..2..3..3..1..3..3....0..2..3..3..3..1....0..3..3..3..2..2....3..3..2..0..2..0
..3..3..1..0..3..2....3..3..3..0..0..1....0..0..3..3..0..1....3..3..1..2..2..0
..3..3..3..3..3..2....3..3..1..1..1..1....0..0..1..1..1..1....3..3..0..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2012
STATUS
approved