OFFSET
1,1
COMMENTS
Column 7 of A221087
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..13
EXAMPLE
Some solutions for n=3
..0..2..2..1..1..2..2....0..2..2..1..0..2..0....0..2..2..3..0..1..1
..0..0..0..1..2..1..0....0..0..2..1..3..1..0....0..0..1..1..2..1..1
..0..2..1..2..1..1..0....0..2..0..2..1..1..1....0..2..1..0..0..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 01 2013
STATUS
approved