OFFSET
1,1
COMMENTS
Column 5 of A208466
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..23
EXAMPLE
Some solutions for n=4
..0..0..0..0..0....0..0..0..0..0....0..0..1..0..0....0..0..0..0..0
..0..1..0..1..0....0..1..0..1..0....0..0..0..1..0....1..2..0..1..2
..0..0..0..0..0....0..0..0..0..1....0..1..0..2..2....1..0..0..2..0
..0..1..0..1..0....0..1..0..0..0....3..4..0..0..0....0..1..3..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 27 2012
STATUS
approved