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A027730 Number of independent subsets of nodes in graph formed from n-fold subdivision of tetrahedron. +0
1
1, 2, 5, 43, 910, 88151, 40685288, 128501941884, 3361302069076948 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A075872 A075891 A116297 this_sequence A163115 A088309 A056680

Adjacent sequences: A027727 A027728 A027729 this_sequence A027731 A027732 A027733

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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