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Coincidences of Catalan and q-Catalan Numbers

Integers, 2011
AbstractLet
Luca, Florian, Young, Paul Thomas
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CATALAN'S TRAPEZOIDS

Probability in the Engineering and Informational Sciences, 2014
Named after the French–Belgian mathematician Eugène Charles Catalan, Catalan's numbers arise in various combinatorial problems [12]. Catalan's triangle, a triangular array of numbers somewhat similar to Pascal's triangle, extends the combinatorial meaning of Catalan's numbers and generalizes them [1,5,11].
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Catalan

2002
Abstract Since the number of studies does not justify an independent section and the problems discussed are closely related to those of Spanish, the nine entries are here appended.
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On Catalan’S constant

Proceedings of the Steklov Institute of Mathematics, 2016
The author applies a new interesting method to prove the following result on Catalan's constant \(G=\sum^\infty_{k=0} (-1)^k/(2k+1)^2= 0.91596\dots\). {\parindent=6mm \begin{itemize}\item[1)]There exists an efficient construction of an infinite sequence of rational numbers \(p/q\) satisfying the inequality ...
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Catalan

Journal of the International Phonetic Association, 1992
Joan F. Carbonell, Joaquim Llisterri
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Catalan

Hispania, 1976
Edward J. Neugaard, Alan Yates
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