OFFSET
1,1
COMMENTS
Column 7 of A206900
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..10
EXAMPLE
Some solutions for n=4
..2..3..2..0..1..3..1....2..1..2..0..0..1..3....1..3..2..0..0..0..0
..1..1..0..2..1..3..3....0..0..1..3..0..2..0....1..0..1..3..3..3..2
..1..2..0..2..2..1..2....3..0..2..0..3..1..1....3..0..3..0..2..0..2
..0..0..1..0..2..2..0....2..0..2..0..1..0..3....2..3..0..0..0..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 13 2012
STATUS
approved