OFFSET
1,1
COMMENTS
Column 7 of A221255
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..12
EXAMPLE
Some solutions for n=3
..0..1..2..2..2..2..0....0..1..2..2..2..1..0....0..1..2..2..1..1..2
..0..2..1..2..0..1..0....0..2..1..0..1..2..2....0..1..2..2..1..2..0
..0..0..1..0..2..2..1....0..0..1..2..0..2..0....0..1..0..1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2013
STATUS
approved