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A153532
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Number of planar n X n X n binary triangular grids with no more than 7 ones in any 4 X 4 X 4 subtriangle.
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0
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1, 2, 8, 64, 968, 28776, 1665065, 186775857, 40576650722, 17097010684006, 13970781527118884, 22134691041539759364, 67990421653342264227292
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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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