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A119857 Number of equicolored (unrooted) trees on 2n nodes. 0
1, 1, 4, 14, 65, 316, 1742 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

For precise definition, recurrence and asymptotics see the Pippenger reference.

REFERENCES

N. Pippenger, Enumeration of equicolorable trees, SIAM J. Discrete Math., 14 (2001), 93-115.

CROSSREFS

Sequence in context: A184265 A020041 A081891 * A126787 A129219 A007025

Adjacent sequences:  A119854 A119855 A119856 * A119858 A119859 A119860

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 04 2006

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Last modified February 15 20:03 EST 2012. Contains 205852 sequences.