Enumerative combinatorics
Discrete Applied Mathematics - Special volume: combinatorics and theoretical computer science
Riordan arrays and combinatorial sums
Discrete Mathematics
Riordan arrays and the Abel-Gould identity
Discrete Mathematics
Catalan, Motzkin, and Riordan numbers
Discrete Mathematics - Special issue on selected papers in honor of Henry W. Gould
A bijection between ordered trees and 2-Motzkin paths and its many consequences
Discrete Mathematics
Minors of a class of Riordan arrays related to weighted partial Motzkin paths
European Journal of Combinatorics
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In this paper, some identities between the Catalan, Motzkin and Schroder numbers are obtained by using the Riordan group. We also present two combinatorial proofs for an identity related to the Catalan numbers with the Motzkin numbers and an identity related to the Schroder numbers with the Motzkin numbers, respectively.