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A153561
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Number of planar n X n X n binary triangular grids with no more than 7 ones in any similarly oriented 4 X 4 X 4 subtriangle.
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0
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1, 2, 8, 64, 968, 28794, 1676720, 190753044, 42330133212, 18347290219443, 15531600187066091, 25676352051100036281, 82891258436313124567758, 522584330002597542177222679
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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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