OFFSET
1,7
COMMENTS
Table starts
.1.....1........1.........2..........4.............8..........24......72.216
.1.....1........8........84........800.........15360......357696.6873984
.1.....4......152......8064.....789696.....120512448.29928517632
.1....28.....4544...1555200.2248445952.3889709973504
.1...176...202176.963726336
.1..1600.10964160
.2.16128
EXAMPLE
Some solutions for n=3 k=4
..6..1..7..8....0..1..7.10....3..6..0..9....0..6..7..1....0..9..4..1
..0..3..2.11....6..8..2.11...10..1..7..4....3..9..2..8....6..3.10..7
..9..4.10..5....9..3..4..5....5..2..8.11....4.10..5.11....8..5.11..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 21 2015
STATUS
approved