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Search: id:A153568
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A153568 Number of planar n X n X n binary triangular grids with no more than 6 ones in any similarly oriented 5 X 5 X 5 subtriangle. +0
1
1, 2, 8, 64, 848, 9949, 298247, 16406435, 1545911495, 236576023548, 58010755690276, 25220215282781623 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A139679 A005640 A153540 this_sequence A153531 A153560 A134956

Adjacent sequences: A153565 A153566 A153567 this_sequence A153569 A153570 A153571

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Jan 01 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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