BinaryNodes on BinaryTree
The number of nodes with two children.
Nodes with two children; FindStat calls them branches.
Called as CombinatorialStat(x, "BinaryNodes"). The head's page has its examples.
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Distribution
Over BinaryTrees at each size, tallied here in your browser; sizes past 6 are not offered.
FindStat St000196
The number of occurrences of the contiguous pattern [[.,.],[.,.
The number of occurrences of the contiguous pattern {{{[[.,.],[.,.]]}}} in a binary tree.
| Object | Value |
|---|---|
[.,.] | 0 |
[.,[.,.]] | 0 |
[[.,.],.] | 0 |
[.,[.,[.,.]]] | 0 |
[.,[[.,.],.]] | 0 |
[[.,.],[.,.]] | 1 |
[[.,[.,.]],.] | 0 |
[[[.,.],.],.] | 0 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000196 has the rest.