Catalan-like Numbers and Determinants

The Riordan group

Louis W. Shapiro, Seyoum Getu, Wen-Jin Woan et al. · Discrete Applied Mathematics · 1991 · 495 citations

COMBINATORIAL IDENTITIES

J. M. Hammersley · Bulletin of the London Mathematical Society · 1971 · 234 citations

Natural Sciences, Mathematics, Combinatorics +2

Motzkin numbers

Robert Donaghey, Louis W. Shapiro · Journal of Combinatorial Theory Series A · 1977 · 163 citations

Motzkin Numbers

Martin Aigner · European Journal of Combinatorics · 1998 · 113 citations

The enumeration of tree-like polyhexes

Frank Harary, Ronald C. Read · Proceedings of the Edinburgh Mathematical Society · 1970 · 103 citations · Full text

Natural Sciences, Computer Science, Mathematics +12