OFFSET
1,1
COMMENTS
Column 2 of A209720.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..64
EXAMPLE
Some solutions for n=5
..3..3....0..1....3..3....1..2....2..4....0..0....0..4....2..0....4..1....3..0
..1..3....3..1....3..3....1..2....0..2....3..2....0..3....2..3....0..1....4..4
..1..3....0..2....1..3....2..2....3..3....2..2....3..1....2..2....1..1....0..3
..1..3....2..3....1..3....0..2....4..2....1..3....4..1....3..1....1..1....3..0
..3..3....0..2....0..3....1..1....3..3....1..2....0..3....2..1....4..0....4..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 12 2012
STATUS
approved