OFFSET
1,1
COMMENTS
Column 4 of A222654
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for n=3
..0..0..1..0....0..1..2..0....0..1..0..0....0..1..1..2....0..1..2..0
..1..2..3..2....2..3..3..3....2..3..2..3....3..3..0..3....2..1..0..1
..3..2..2..0....0..2..3..2....2..1..2..0....1..2..0..1....3..1..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 27 2013
STATUS
approved