OFFSET
1,2
COMMENTS
Column 6 of A203397
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..2..2..0..2..3..0....1..3..0..2..3..2....3..0..1..3..2..0....0..2..3..1..1..0
..3..2..0..1..3..1....1..3..3..3..3..3....3..3..3..3..3..0....0..2..3..0..2..2
..3..3..2..1..3..2....1..2..0..1..3..2....0..3..0..3..2..1....0..0..3..2..3..2
..3..3..0..1..3..3....0..2..2..1..1..0....0..2..2..3..3..0....1..1..3..3..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 01 2012
STATUS
approved