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A153560
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Number of planar n X n X n binary triangular grids with no more than 6 ones in any similarly oriented 4 X 4 X 4 subtriangle.
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0
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1, 2, 8, 64, 848, 22202, 1109397, 104534239, 18430578601, 6145119518391, 3869729452665295, 4596597483881683039, 10296742221918199977665
(list; graph; refs; listen; history; internal format)
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