OFFSET
1,7
COMMENTS
Table starts
.1....1.......1.........2.........4........8.........24......72.216
.1....1.......7........56.......348.....4672......93864.1776576
.1....6......80......3196....171962.17647792.2685878592
.1...23....2051....465584.207022624
.1...84...59845.110630784
.2..897.3406328
.4.9292
EXAMPLE
Some solutions for n=3 k=4
..6..0.10..5....0.10..1.11....0..3..1.10...10..2..5.11....0..7.10.11
..3..1.11..2....6..5..8..2....6..9.11..5....0..4..1..7....6..3..5..2
..9..7..4..8....3..9..4..7....7..4..2..8....3..9..6..8....9..4..1..8
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 21 2015
STATUS
approved