OFFSET
1,1
COMMENTS
Column 4 of A221898
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..58
EXAMPLE
Some solutions for n=3
..1..2..1..0....1..0..2..1....0..2..2..0....0..1..0..2....1..1..0..0
..0..1..1..2....0..3..1..1....1..0..0..1....2..3..0..1....0..2..4..1
..1..0..3..0....0..1..2..0....0..5..0..1....0..2..0..1....1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 30 2013
STATUS
approved