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A035056 Number of asymmetric forests with n nodes. +0
1
1, 1, 0, 0, 0, 0, 0, 1, 2, 4, 9, 21, 44, 96, 206, 450, 981, 2159, 4757, 10571, 23563, 52835, 118939, 269047, 610878, 1392677, 3186001, 7313882, 16842202, 38900699, 90098260, 209229601, 487077685, 1136549747, 2657859059 (list; graph; listen)
OFFSET

0,9
LINKS

N. J. A. Sloane, Transforms

Index entries for sequences related to trees

FORMULA

Weigh transform of A000220.

CROSSREFS

Cf. A005195.

Sequence in context: A079060 A030039 A018105 this_sequence A093698 A091619 A061439

Adjacent sequences: A035053 A035054 A035055 this_sequence A035057 A035058 A035059

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Oct 15 1998.

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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