OFFSET
1,1
EXAMPLE
Table starts
.2.............3.............4................5............6........7....8..9
.2.............6............12...............20...........30.......42...56.72
.2............42...........228..............776.........2046.....4578.9128
.2..........1346.........41852...........491892......3436102.17232446
.2........223456......80524892.......5393851108.147978735402
.2.....202999208.1720483641156.1081958661341802
.2.1049899768685
.2
Some solutions for n=4 k=3
..0..1..1..3....1..0..2..1....1..1..0..2....2..1..0..1....1..0..1..0
..1..2..1..2....0..1..1..3....3..0..1..1....1..1..0..3....0..1..1..1
..2..0..2..3....3..3..0..0....0..2..3..1....0..2..3..1....0..0..1..3
..2..3..3..0....0..1..3..3....0..2..2..3....1..1..3..2....1..2..1..1
CROSSREFS
KEYWORD
AUTHOR
R. H. Hardin, Dec 25 2011
STATUS
approved