OFFSET
1,1
COMMENTS
Row 4 of A231263
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..0..0..0....0..0..0..0....0..0..1..1....0..0..0..0....0..0..1..1
..0..0..1..1....1..1..0..0....0..1..1..1....0..0..0..0....0..1..1..2
..1..1..2..2....1..2..2..2....1..1..1..1....0..0..0..1....1..1..2..2
..1..2..1..1....2..1..1..0....1..1..2..2....0..0..1..1....1..2..0..0
..2..1..1..1....1..1..0..0....1..2..2..2....0..0..0..0....2..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 06 2013
STATUS
approved