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A250507
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T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with nondecreasing medians of every three consecutive values in every row and column
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3
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19683, 300763, 300763, 4251528, 9777655, 4251528, 59776471, 289735900, 289735900, 59776471, 729000000, 8566581775, 17751271450, 8566581775, 729000000, 8316073576, 211068335312, 1088029714752, 1088029714752
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OFFSET
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1,1
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COMMENTS
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Table starts
.......19683........300763........4251528........59776471......729000000
......300763.......9777655......289735900......8566581775...211068335312
.....4251528.....289735900....17751271450...1088029714752.53509194753023
....59776471....8566581775..1088029714752.138575157528960
...729000000..211068335312.53509194753023
..8316073576.4788105206370
.92959677000
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LINKS
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EXAMPLE
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Some solutions for n=1 k=4
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..1..0..2..1..0..2....1..1..1..1..0..1....0..2..0..0..0..1....0..2..1..0..1..2
..0..2..0..2..2..0....0..1..2..1..1..0....0..1..1..1..0..1....1..2..1..1..2..0
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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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