OFFSET
1,1
COMMENTS
Column 7 of A222479
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..14
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..1....0..0..0..0..1..2..1....0..0..0..0..0..1..2
..0..0..0..0..0..0..2....0..0..0..0..0..0..0....0..0..0..0..3..1..0
..0..0..0..0..1..3..1....0..0..0..0..0..2..0....0..0..0..0..0..0..3
..0..0..0..0..2..2..3....0..0..0..0..0..3..3....0..0..0..0..0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 21 2013
STATUS
approved