nRootedShapes: Number of rooted / unrooted tree shapes
In TreeTools: Create, Modify and Analyse Phylogenetic Trees
nRootedShapes R Documentation
Number of rooted / unrooted tree shapes
Description
nRootedShapes and nUnrootedShapes give the number of (un)rooted binary
trees on n unlabelled leaves.
Usage
nRootedShapes
nUnrootedShapes
Format
An object of class integer64 of length 55.
An object of class integer64 of length 60.
Source
nRootedShapes corresponds to the Wedderburn-Etherington numbers,
OEIS A001190
nUnrootedShapes is OEIS A000672
TreeTools documentation built on Aug. 8, 2025, 7:18 p.m.
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| nRootedShapes | R Documentation |
Number of rooted / unrooted tree shapes
Description
nRootedShapes and nUnrootedShapes give the number of (un)rooted binary
trees on n unlabelled leaves.
Usage
nRootedShapes
nUnrootedShapes
Format
An object of class integer64 of length 55.
An object of class integer64 of length 60.
Source
nRootedShapes corresponds to the Wedderburn-Etherington numbers,
OEIS A001190
nUnrootedShapes is OEIS A000672
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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