OFFSET
1,2
COMMENTS
Column 5 of A230805
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..176
EXAMPLE
Some solutions for n=4
..0..3..2..1..2....0..3..0..1..2....0..3..1..0..3....0..3..2..1..2
..1..2..3..0..3....1..2..3..2..3....1..2..2..3..2....1..2..3..0..3
..1..0..1..3..2....3..2..0..3..0....3..0..3..2..1....2..1..2..3..0
..2..3..2..0..1....0..1..1..2..1....2..1..0..3..0....3..0..1..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 30 2013
STATUS
approved