OFFSET
1,1
COMMENTS
Column 4 of A241138
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..1..1....0..0..0..1....0..0..0..1....0..0..1..1....0..0..1..1
..0..2..0..0....1..1..2..1....2..2..2..1....2..2..2..2....1..1..2..2
..0..2..1..1....2..2..2..2....0..2..0..0....0..1..1..1....0..2..0..1
..2..2..2..2....1..1..0..0....0..2..1..1....0..2..2..2....0..2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 16 2014
STATUS
approved