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A153536
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Number of planar n X n X n binary triangular grids with no more than 2 ones in any 5 X 5 X 5 subtriangle.
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0
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1, 2, 7, 22, 56, 121, 559, 3829, 29796, 227905, 1723385, 18876476, 276306337, 4897600562, 98699795096, 2252123820450, 63761990038679
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OFFSET
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0,2
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LINKS
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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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