OFFSET
1,1
COMMENTS
Column 5 of A229105.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..11
EXAMPLE
Some solutions for n=4
..0..0..0..0..3....0..0..0..0..3....0..0..0..0..0....0..0..0..0..2
..0..0..0..2..0....0..0..0..0..1....0..0..0..1..0....0..0..0..1..3
..0..0..0..0..1....0..0..0..1..1....0..0..0..2..1....0..0..1..2..0
..0..0..1..1..1....0..0..2..1..0....0..0..0..3..3....0..0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 13 2013
STATUS
approved