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Search: id:A153537
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A153537 Number of planar n X n X n binary triangular grids with no more than 3 ones in any 5 X 5 X 5 subtriangle. +0
1
1, 2, 8, 42, 176, 576, 4836, 66134, 1154324, 22094979, 473556087, 16081015577, 781788953511, 50068113839258 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A136281 A125698 A052447 this_sequence A153565 A153528 A153557

Adjacent sequences: A153534 A153535 A153536 this_sequence A153538 A153539 A153540

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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