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A246974 3-ary plane multitrees by number of edges. 0
1, 1, 3, 10, 28, 93, 317, 1090, 3876, 13995, 51182 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..10.

M. Dziemianczuk, Enumerations of plane trees with multiple edges and Raney lattice paths, Discrete Mathematics 337 (2014): 9-24.

CROSSREFS

Sequence in context: A104574 A239885 A262251 * A278294 A260811 A108912

Adjacent sequences:  A246971 A246972 A246973 * A246975 A246976 A246977

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Sep 14 2014

STATUS

approved

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Last modified March 20 07:27 EDT 2019. Contains 321345 sequences. (Running on oeis4.)