OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions for n=3
..0..1..0..2....0..0..1..0....0..0..1..2....0..1..2..2....0..0..1..0
..1..1..0..2....0..1..1..1....0..1..1..1....1..1..1..1....0..1..1..0
..0..0..0..2....1..1..0..0....1..1..0..1....2..1..2..1....1..1..0..0
..2..2..2..2....0..1..0..1....2..1..1..0....2..1..1..2....0..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 28 2012
STATUS
approved