OFFSET
1,2
COMMENTS
Column 6 of A202549
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..1..0..1..1....0..0..1..1..1..1....0..0..1..0..0..1....0..0..1..0..0..0
..0..1..1..1..0..2....0..1..1..2..2..1....0..0..1..0..1..2....0..0..0..1..1..1
..0..1..0..0..1..1....0..0..0..1..0..0....0..0..1..0..2..0....0..0..1..0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 20 2011
STATUS
approved