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A222384
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Sum of neighbor maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 nX5 array
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1
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24, 1024, 32768, 1048576, 33546240, 1073741824, 34359738368, 1099510054912, 35184372088832, 1125899906842624, 36028796750528512, 1152921504606846976, 36893488147419103232, 1180591620674461630464, 37778931862957161709568
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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) = 32*a(n-1) +256*a(n-3) -8192*a(n-4) -16384*a(n-6) +524288*a(n-7) for n>9
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EXAMPLE
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Some solutions for n=3
..0..1..1..0..0....1..0..1..0..0....0..0..0..1..1....0..1..0..0..1
..0..0..0..0..0....0..1..1..1..1....1..0..1..0..0....0..0..1..0..0
..0..0..1..1..0....1..0..0..0..1....0..0..1..1..0....1..1..0..0..0
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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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