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A027667 Number of independent subsets of nodes of 3^n cube (P_3 X ... X P_3). +0
1
1, 5, 63, 70633, 25090373284177 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A027664 A027665 A027666 this_sequence A027668 A027669 A027670

Sequence in context: A063079 A112788 A004193 this_sequence A054937 A073179 A061684

KEYWORD

nonn,nice

AUTHOR

R. H. Hardin (rhh(AT)cadence.com)

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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