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A236994
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Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
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1
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32400, 699840, 14963200, 363916800, 8552563200, 192222720000, 4279521280000, 109212364800000, 2683631554560000, 62224920576000000, 1432701927424000000, 37708128681984000000, 957363336806400000000, 22733582315028480000000
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Empirical: a(n) = 1115200*a(n-4) -430632960000*a(n-8) +66962587648000000*a(n-12) -3428940827852800000000*a(n-16)
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EXAMPLE
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Some solutions for n=1
..2..0..1..0..0..2....2..2..0..2..2..1....0..1..0..2..2..1....1..1..0..0..1..1
..0..2..0..1..0..2....0..1..1..0..0..0....1..2..0..2..1..2....0..1..0..1..2..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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