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A246975 4-ary plane multitrees by number of edges. 0
1, 1, 3, 10, 36, 121, 447, 1699, 6589, 25914, 103633 (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: A075316 A192142 A212962 * A047122 A047107 A149040

Adjacent sequences:  A246972 A246973 A246974 * A246976 A246977 A246978

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Sep 14 2014

STATUS

approved

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Last modified July 23 14:07 EDT 2019. Contains 325254 sequences. (Running on oeis4.)