OFFSET
1,2
COMMENTS
Row 4 of A266131.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..1..0....0..0..0..0....1..0..1..2....1..2..0..1....2..1..1..0
..2..3..2..2....1..2..2..0....1..1..1..2....1..0..2..0....0..1..1..2
..2..1..1..0....1..1..0..1....1..1..0..1....2..1..0..0....1..2..2..1
..2..1..0..1....1..0..2..0....1..0..2..0....2..1..2..0....0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2015
STATUS
approved