Woan, Wen-jin; Tankersley, Barbara

Exponential generating functions for trees with weighted edges and labeled nodes

J. Integer Seq. 10(8), Article 07.8.4, 8 p., electronic only (2007)

Summary

Summary: We study labeled trees and find that this is a class of combinatorial objects which is perfect for the study of some exponential generating functions.

Mathematics Subject Classification

05A15

Keywords/Phrases

labeled tree, Motzkin path, Catalan path, weighted labeled tree, exponential generating function

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