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A153564
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Number of planar n X n X n binary triangular grids with no more than 2 ones in any similarly oriented 5 X 5 X 5 subtriangle.
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0
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1, 2, 7, 22, 56, 121, 603, 4292, 34905, 284158, 2388099, 29265021, 473031984, 9304582753, 212580151667, 5654131835907, 189056293870086, 7909530731661434
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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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