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A222385
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Sum of neighbor maps: number of nX6 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 nX6 array
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1
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64, 3968, 262144, 16776896, 1073741712, 68719469568, 4398044807168, 281474968175508, 18014398509481984, 1152921504606846976, 73786976290732196864, 4722366482869645213696, 302231454903657058795520
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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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EXAMPLE
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Some solutions for n=3
..0..0..0..1..0..1....0..0..0..1..1..1....0..0..0..1..0..1....0..0..0..1..1..1
..0..1..1..1..1..0....0..0..1..0..0..1....0..0..0..0..0..0....0..0..1..0..0..1
..1..1..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..1....0..0..0..0..1..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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