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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 (list; table; graph; refs; listen; history; text; internal format)
 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 R. H. Hardin, Table of n, a(n) for n = 1..59 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 Adjacent sequences:  A268364 A268365 A268366 * A268368 A268369 A268370 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Feb 03 2016 STATUS approved

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Last modified June 19 04:01 EDT 2021. Contains 345125 sequences. (Running on oeis4.)