OFFSET
1,1
COMMENTS
Row 4 of A233801
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for n=1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..3....0..0..2....0..0..1....0..0..0....0..0..0....0..0..0....0..0..2
..1..0..3....1..2..2....1..3..0....1..3..3....0..0..0....1..0..3....0..0..1
..1..1..3....0..2..0....1..2..2....1..0..2....0..3..1....1..0..3....1..1..0
..1..0..0....0..3..3....2..1..0....3..0..3....1..0..0....2..3..3....0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 16 2013
STATUS
approved