OFFSET
1,1
COMMENTS
Column 6 of A206900
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..54
EXAMPLE
Some solutions for n=4
..3..1..3..0..1..0....3..0..2..0..2..2....0..0..3..0..1..1....2..1..2..0..0..1
..1..3..2..3..1..3....3..0..0..0..3..2....2..0..2..2..1..0....2..0..0..1..3..0
..2..2..1..1..3..3....0..2..3..2..3..3....3..2..2..0..2..3....2..0..3..0..2..0
..0..1..0..3..3..1....2..3..0..0..1..3....3..0..1..3..0..2....3..1..1..2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 13 2012
STATUS
approved