OFFSET
1,1
COMMENTS
Column 4 of A214352
EXAMPLE
Some solutions for n=3
....4......2......1......1......3......1......1......1......2......1......1
...0.4....1.2....1.4....4.1....3.0....2.1....2.0....0.4....2.2....1.3....0.2
..1.0.4..1.3.2..1.4.4..4.4.0..4.3.0..2.2.1..4.0.1..4.0.4..4.0.2..1.1.4..0.1.2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 13 2012
STATUS
approved