OFFSET
1,4
COMMENTS
Column 2 of A199363
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..38
EXAMPLE
Some solutions for n=6
..0..0....0..0....0..0....0..0....0..0....0..0....0..1....0..0....0..0....0..1
..1..0....0..1....0..1....1..0....0..1....0..1....0..1....1..0....1..0....0..1
..1..1....1..1....2..1....1..1....1..1....1..1....0..1....1..2....1..1....0..1
..2..3....2..2....2..1....2..2....2..2....2..3....2..3....1..2....2..2....2..2
..2..3....3..2....2..3....2..3....2..3....2..3....2..3....3..2....3..2....3..2
..2..3....3..3....3..3....3..3....3..3....2..3....2..3....3..3....3..3....3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 05 2011
STATUS
approved