Riordan, John A note on Catalan parentheses. (English) Zbl 0301.05003 Am. Math. Mon. 80, 904-906 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 Documents MSC: 05A10 Factorials, binomial coefficients, combinatorial functions 11B39 Fibonacci and Lucas numbers and polynomials and generalizations 05A15 Exact enumeration problems, generating functions PDF BibTeX XML Cite \textit{J. Riordan}, Am. Math. Mon. 80, 904--906 (1973; Zbl 0301.05003) Full Text: DOI