OFFSET
1,1
COMMENTS
Column 5 of A209913
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..1..3..1..0..0....2..2..3..1..1..2....1..0..0..1..0..3....1..2..1..3..2..1
..3..0..1..2..1..3....3..0..3..0..3..1....2..1..3..0..1..3....3..1..3..1..0..2
..1..1..3..1..3..2....0..1..1..1..1..2....1..3..0..1..0..1....1..0..3..0..3..3
..0..3..0..0..1..0....2..3..0..3..0..3....3..2..3..1..3..2....3..2..2..3..1..0
..1..2..2..3..3..2....0..0..3..0..3..2....2..1..2..3..2..0....0..0..3..0..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 15 2012
STATUS
approved