OFFSET
1,2
COMMENTS
Column 3 of A222747
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..0....0..1..2....0..1..0....0..1..2....0..1..0....0..1..2....0..1..1
..1..2..2....1..3..2....2..1..2....3..2..3....2..2..1....3..3..1....2..3..2
..3..0..3....3..1..0....1..2..1....1..3..1....0..1..0....3..3..2....1..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 04 2013
STATUS
approved