OFFSET
1,2
COMMENTS
Column 5 of A270606.
EXAMPLE
Some solutions for n=3
....4......1......1......2......0......3......4......5......0......4......3
...4.4....5.0....1.0....5.4....2.2....2.5....4.3....0.0....2.3....3.1....4.0
..2.3.5..3.0.5..0.5.3..3.4.1..0.0.3..3.2.0..1.0.5..4.1.0..5.2.5..2.0.2..4.5.5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 20 2016
STATUS
approved