OFFSET
1,1
COMMENTS
Row 4 of A220204
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..203
EXAMPLE
Some solutions for n=3
..1..0..0....0..0..0....0..0..0....1..1..1....1..1..1....1..1..1....1..0..0
..2..0..0....2..0..0....0..0..0....1..0..0....2..1..1....1..1..1....1..0..0
..2..0..0....3..3..0....0..0..0....2..0..0....1..0..0....2..2..2....1..0..0
..3..0..0....3..3..3....2..2..2....3..2..0....1..0..0....2..2..2....3..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 07 2012
STATUS
approved