OFFSET
1,1
COMMENTS
Column 4 of A220943.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..14
EXAMPLE
Some solutions for n=3
..0..1..0..1....0..0..0..0....0..2..1..0....0..2..0..3....0..0..0..0
..2..1..1..4....2..4..1..2....0..2..0..0....0..3..1..1....1..5..2..1
..0..1..1..0....1..2..0..0....1..3..3..0....1..1..0..0....0..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 25 2012
STATUS
approved