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A203330
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T(n,k)=Number of nXk 0..2 arrays with the row and column sums nondecreasing
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8
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3, 6, 6, 10, 32, 10, 15, 133, 133, 15, 21, 510, 1510, 510, 21, 28, 1792, 15300, 15300, 1792, 28, 36, 6050, 143690, 423595, 143690, 6050, 36, 45, 19641, 1274165, 10809576, 10809576, 1274165, 19641, 45, 55, 62471, 10806894, 261192161, 759320283
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OFFSET
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1,1
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COMMENTS
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Table starts
..3......6........10...........15............21............28............36
..6.....32.......133..........510..........1792..........6050.........19641
.10....133......1510........15300........143690.......1274165......10806894
.15....510.....15300.......423595......10809576.....261192161....6027116491
.21...1792....143690.....10809576.....759320283...50493863772.3215213994114
.28...6050...1274165....261192161...50493863772.9306918766618
.36..19641..10806894...6027116491.3215213994114
.45..62471..88697732.134485617080
.55.194925.709273098
.66.601743
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LINKS
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EXAMPLE
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Some solutions for n=5 k=3
..2..0..2....0..1..2....0..0..2....1..1..1....2..0..0....2..0..1....0..0..0
..1..1..2....0..2..1....1..2..0....1..0..2....0..1..2....0..2..2....0..1..2
..0..2..2....2..2..2....1..2..0....1..2..2....1..0..2....1..1..2....1..0..2
..0..2..2....2..2..2....2..0..2....1..2..2....2..2..0....2..1..2....2..0..1
..0..2..2....2..2..2....2..2..2....1..2..2....0..2..2....1..2..2....0..2..1
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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