OFFSET
1,1
COMMENTS
Column 4 of A214384
EXAMPLE
Some solutions for n=3
....2......1......3......1......4......0......2......1......1......2......1
...2.0....1.0....3.4....0.2....3.4....0.3....3.2....2.1....0.2....1.4....0.2
..4.1.0..2.0.3..2.4.3..0.3.0..1.4.0..0.2.3..4.1.3..2.1.3..0.2.4..3.0.4..0.2.3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 14 2012
STATUS
approved