OFFSET
1,2
COMMENTS
Column 2 of A222832
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..207
EXAMPLE
Some solutions for n=3
..0..1....0..1....0..1....0..1....0..1....0..1....0..0....0..1....0..1....0..1
..0..0....2..2....2..2....2..2....2..2....2..3....1..0....0..2....2..1....2..0
..2..1....2..0....2..3....3..2....0..2....3..3....0..1....0..3....0..1....0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 06 2013
STATUS
approved