OFFSET
1,1
COMMENTS
Row 4 of A239599
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for n=4
..3..0..0..0....3..2..3..3....3..0..0..2....3..0..0..0....2..3..3..3
..2..3..0..0....2..1..1..3....2..3..2..2....2..3..2..2....2..1..2..2
..3..2..2..2....3..2..2..2....3..2..2..0....3..1..1..2....3..0..1..3
..2..1..2..0....2..1..0..0....2..3..2..0....3..2..2..2....3..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 22 2014
STATUS
approved