Enumeration of Protected Nodes in Motzkin Trees
Received:December 16, 2019  Revised:January 03, 2021
Key Words: Motzkin trees   protected nodes   Motzkin number   Bivariate generating function   Lagrange inversion  
Fund Project:Supported by the National Natural Science Foundation of China (Grant No.11861045), Gansu Province Science Foundation for Youths (Grant No.20JR10RA187) and the Hongliu Foundation of First-Class Disciplines of Lanzhou University of Technology, China.
Author NameAffiliation
Lin YANG School of Science, Lanzhou University of Technology, Gansu 730050, P. R. China 
Shengliang YANG School of Science, Lanzhou University of Technology, Gansu 730050, P. R. China 
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Abstract:
      
Citation:
DOI:10.3770/j.issn:2095-2651.2021.02.002
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