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A185891
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T(n,k)=1/729 the number of (n+2)X(k+2) 0..2 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace
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10
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27, 588, 588, 12900, 28086, 12900, 282672, 1367896, 1367896, 282672, 6195480, 66642628, 151319356, 66642628, 6195480, 135783240, 3246601822, 16772497838, 16772497838, 3246601822, 135783240, 2975926392, 158165462152, 1859643383374
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OFFSET
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1,1
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COMMENTS
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Table starts
..........27.............588...............12900..................282672
.........588...........28086.............1367896................66642628
.......12900.........1367896...........151319356.............16772497838
......282672........66642628.........16772497838...........4223442979220
.....6195480......3246601822.......1859643383374........1060306245936410
...135783240....158165462152.....206151739863904......266120814001133510
..2975926392...7705358302364...22854468047098854....66791286531734378864
.65222436072.375382835991994.2533647121080969994.16763506421271197917026
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LINKS
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EXAMPLE
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Some solutions for 5X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..2..0..1..2....0..2..0..1....2..2..2..0....2..1..0..2....2..0..2..0
..2..1..2..0....0..0..2..0....0..2..1..2....1..0..2..1....1..0..1..2
..2..1..1..0....0..2..2..1....0..2..2..0....0..0..0..0....1..1..1..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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