OFFSET
1,2
COMMENTS
Column 6 of A270606.
EXAMPLE
Some solutions for n=3
....4......3......6......5......0......1......2......5......6......1......2
...5.4....6.2....6.6....3.5....0.3....0.3....3.6....4.6....3.0....6.0....4.0
..1.4.6..4.6.4..3.2.0..2.6.5..2.3.6..0.2.6..0.0.4..5.2.6..1.2.2..6.4.2..2.6.1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 20 2016
STATUS
approved