OFFSET
1,1
COMMENTS
Column 5 of A231663
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..0..0..0..0....2..0..0..0..0....2..0..1..0..0....0..0..2..0..1
..1..1..0..0..1....0..0..1..0..1....0..0..0..0..0....0..1..0..0..1
..1..1..2..0..0....0..2..1..0..0....2..2..1..1..2....1..1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 12 2013
STATUS
approved