SameNeighborhoodPairCount on LabeledGraph
The pairs of vertices that have the same set of neighbors.
FindStat's St001347. The graph with no vertices gives 0.
Called as CombinatorialStat(x, "SameNeighborhoodPairCount"). The head's page has its examples.
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FindStat St001347
The number of pairs of vertices of a graph having the same neighbourhood.
| Object | Value |
|---|---|
([],1) | 0 |
([],2) | 1 |
([],3) | 3 |
([],4) | 6 |
([],5) | 10 |
([],6) | 15 |
([],7) | 21 |
([(0,1)],2) | 0 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St001347 has the rest.