OFFSET
1,2
COMMENTS
Column 3 of A223033
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..174
EXAMPLE
Some solutions for n=3
..0..1..2....0..1..1....0..1..0....0..1..0....0..1..0....0..1..2....0..1..2
..2..1..1....2..1..2....1..1..2....2..1..2....2..2..2....0..0..0....1..1..1
..1..0..2....0..1..0....0..1..0....0..1..1....2..1..0....2..1..2....0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 12 2013
STATUS
approved