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A035056 Number of asymmetric forests with n nodes. 0
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; refs; listen; history; internal format)
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 * A093698 A091619 A061439

Adjacent sequences:  A035053 A035054 A035055 * A035057 A035058 A035059

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 21:58 EST 2012. Contains 205667 sequences.