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Search: id:A153540
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A153540 Number of planar n X n X n binary triangular grids with no more than 6 ones in any 5 X 5 X 5 subtriangle. +0
1
1, 2, 8, 64, 848, 9949, 294074, 15816643, 1445464075, 209860060542 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A092934 A139679 A005640 this_sequence A153568 A153531 A153560

Adjacent sequences: A153537 A153538 A153539 this_sequence A153541 A153542 A153543

KEYWORD

nonn

AUTHOR

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

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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