Journal of Integer Sequences, Vol. 10 (2007), Article 07.8.4

Exponential Generating Functions for Trees with Weighted Edges and Labeled Nodes

Wen-jin Woan
Howard University
Washington, DC 20059

Barbara Tankersley
North Carolina Agricultural and Technical State University
Greensboro, NC 27411


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.

Full version:  pdf,    dvi,    ps,    latex    

(Concerned with sequences A000670 A000828 A002866 A050351 and A080635 .)

Received May 14 2007; revised version received August 7 2007. Published in Journal of Integer Sequences, August 13 2007.

Return to Journal of Integer Sequences home page