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A219408
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Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 nX6 array
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1
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21, 1261, 57097, 2633596, 121641579, 5618116265, 259468310384, 11983486642214, 553453107750115, 25561051456876291, 1180528707338785094, 54522328912450097473, 2518095766994664668337, 116297422017630310505820
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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) = 21*a(n-1) +950*a(n-2) +9306*a(n-3) +26031*a(n-4) -50016*a(n-5) -214765*a(n-6) +276749*a(n-7) +349461*a(n-8) -523220*a(n-9) -71125*a(n-10) +294741*a(n-11) -112428*a(n-12) +11664*a(n-13) for n>14
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EXAMPLE
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Some solutions for n=3
..1..0..1..1..0..0....0..0..1..0..1..0....1..0..1..0..0..0....1..0..1..0..0..1
..0..0..0..1..1..1....0..0..0..1..0..1....0..1..0..0..0..0....0..0..1..0..0..1
..0..1..0..0..0..0....1..1..1..0..0..0....1..0..0..0..0..0....1..1..0..0..1..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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