[1] BARIL J L,KIRGIZOV S,PETROSSIAN A.Motzkin paths with a restricted first return decomposition[J].Integers,2019,19:1-17. [2] DEUTSCH E,SHAPIRO L W.A bijection between ordered trees and 2-Motzkin paths and its many consequences[J].Discrete Mathematics,2002,256(3):655-670. [3] SUN Y D,ZHAO D,SHI W L,et al.Some statistics on generalized Motzkin paths with vertical steps [J].Graphs and Combinatorics,2022,38(6):1-50. [4] DEUTSCH E.Dyck path enumeration[J].Discrete Mathematics,1999,204(1/2/3):167-202. [5] SLOANE N J A.On-line encyclopedia of integer sequences (OEIS)[DB].2023/2023.http://oeis.org/. [6] DEUTSCH E.A bijective proof of the equation linking the Schröder numbers,large and small[J].Discrete Mathematics,2001,241(1/2/3):235-240. [7] DING Y,DU R R X.Counting humps in Motzkin paths[J].Discrete Applied Mathematics,2012,160(1/2):187-191. [8] DENG E Y P,YAN W J.Some identities on the Catalan,Motzkin and Schröder numbers[J].Discrete Applied Mathematics,2008,156(14):2781-2789. [9] CHEN W Y C,YAN S H F,YANG L L M.Identities from weighted Motzkin paths[J].Advances in Applied Mathematics,2008,41(3):329-334. [10] SHAPIRO L W,GETU S,WOAN W J,et al.The Riordan group[J].Discrete Applied Mathematics,1991,34(4):229-239. [11] 杨胜良,任凤云.广义Jacobsthal数及其组合意义[J].兰州理工大学学报,2021,47(6):151-155. [12] HE T X,SPRUGNOLI R.Sequence characterization of Riordan arrays[J].Discrete Mathematics,2009,309(12):3962-3974. [13] SHAPIRO L W.Bijections and the Riordan group[J].Theoretical Computer Science,2003,307(2):403-413. [14] MERLINI D,SPRUGNOLI R.Lagrange inversion:when and how[J].Acta Applicandae Mathematicae,2006,94(3):233-249. [15] GESSEL I M.Lagrange inversion[J].Journal of Combinatorial Theory(Series A),2016,144:212-249. |