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A268367
T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with row sums equal.
8
1, 1, 0, 1, 4, 0, 1, 0, 12, 0, 1, 36, 216, 96, 0, 1, 0, 2700, 0, 480, 0, 1, 400, 54000, 643680, 116640, 5760, 0, 1, 0, 1054200, 0, 190188000, 0, 40320, 0, 1, 4900, 20991600, 12243840000, 269568000000, 128247235200, 535610880, 645120, 0, 1, 0, 445365900
OFFSET
1,5
COMMENTS
Table starts
.1.......1.........1...............1............1...............1........1
.0.......4.........0..............36............0.............400........0
.0......12.......216............2700........54000.........1054200.20991600
.0......96.........0..........643680............0.....12243840000........0
.0.....480....116640.......190188000.269568000000.429355384500000
.0....5760.........0....128247235200............0
.0...40320.535610880.114921318153600
.0..645120.........0
.0.5806080
.0
LINKS
EXAMPLE
Some solutions for n=3 k=4
..1..0..2..1....0..2..1..1....0..1..2..1....2..1..1..0....1..0..2..1
..0..0..2..2....1..1..2..0....2..1..0..1....2..0..1..1....0..2..0..2
..1..2..0..1....0..0..2..2....2..2..0..0....0..2..0..2....0..2..1..1
CROSSREFS
Sequence in context: A271424 A117435 A282252 * A117436 A136448 A166318
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 03 2016
STATUS
approved