Robert Donaghey

Two Transformations of Series That Commute with Compositional Inversion

Robert Donaghey, 1979, J. Comb. Theory, Ser. A.

Restricted plane tree representations of four Motzkin-Catalan equations

Robert Donaghey, Robert Donaghey, 1977, J. Comb. Theory, Ser. B.

Alternating Permutations and Binary Increasing Trees

Robert Donaghey, Robert Donaghey, 1975, J. Comb. Theory, Ser. A.

Automorphisms on Catalan trees and bracketings

Robert Donaghey, 1980, J. Comb. Theory, Ser. B.

Fundamentals of Algebra: An Integrated Text Workbook

Robert Donaghey, JoAnna Ruddel, 1978 .

A Combinatorial Interpretation for Two Transformations of Series that Commute with Compositional Inversion

Robert Donaghey, 1980, J. Comb. Theory, Ser. A.

Motzkin Numbers

Robert Donaghey, Louis W. Shapiro, L. Shapiro, 1977, J. Comb. Theory, Ser. A.

Binomial Self-Inverse Sequences and Tangent Coefficients

Robert Donaghey, 1976, J. Comb. Theory, Ser. A.