OFFSET
1,1
COMMENTS
Column 4 of A221723.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..13
EXAMPLE
Some solutions for n=3
..0..0..0..1....0..0..0..2....0..1..2..1....0..3..1..1....0..0..0..1
..0..1..1..2....0..4..1..1....0..4..0..0....0..1..0..1....0..4..2..2
..0..2..5..0....0..3..0..1....0..1..1..2....0..2..0..3....2..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 22 2013
STATUS
approved