OFFSET
1,1
COMMENTS
Column 6 of A240284
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..16
EXAMPLE
Some solutions for n=3
..3..3..1..1..3..1....3..1..3..1..3..3....3..1..3..1..3..3....3..3..1..3..1..1
..3..2..0..0..0..0....2..0..2..2..0..0....3..2..3..2..0..0....2..2..0..2..0..0
..2..2..0..0..3..2....2..0..0..0..0..0....2..2..2..2..0..0....2..0..0..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved