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A180843
T(n,k)=number of nXk arrays containing k indistinguishable copies of 1..n with lexicographical ordering of rows strictly increasing and columns strictly decreasing
3
1, 1, 1, 1, 0, 1, 1, 1, 2, 1, 1, 0, 19, 17, 1, 1, 0, 44, 596, 131, 1, 1, 0, 98, 14284, 37423, 1220, 1, 1, 0, 189, 312424, 8554238, 3746117, 13796, 1, 1, 0, 298, 6236734, 1867529572, 9893281255, 545626043, 183095, 1, 1, 0, 379, 113114480, 388782928110
OFFSET
1,9
COMMENTS
Table starts
.1......1.........1..........1..........1............1.........1...1.1.1
.1......0.........1..........0..........0............0.........0...0.0
.1......2........19.........44.........98..........189.......298.379
.1.....17.......596......14284.....312424......6236734.113114480
.1....131.....37423....8554238.1867529572.388782928110
.1...1220...3746117.9893281255
.1..13796.545626043
.1.183095
.1
CROSSREFS
Sequence in context: A072407 A361999 A061158 * A318141 A085979 A330986
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Sep 20 2010
STATUS
approved