OFFSET
1,1
COMMENTS
Column 6 of A231219
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..85
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..1
..1..1..0..0..1..1..1....0..0..0..1..1..2..2....0..0..2..2..0..0..1
..1..1..1..1..1..1..1....2..2..0..1..1..2..2....0..0..2..2..0..1..1
..1..1..1..1..1..1..1....2..2..0..2..2..2..2....1..1..1..0..0..1..1
..0..0..0..0..0..0..0....0..0..0..2..2..2..2....1..1..1..0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 05 2013
STATUS
approved