On generalised catalan numbers
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A.D. Sands
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Article
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1978
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Elsevier Science
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English
β 549 KB
The Catalan numb;r C, is defined to be 2n ( >I (n + 1). One of its occurrences is as the n number of ways of bracketing a product of n + 1 terms taken from a set with binaqr operation. In. this note the corresponding result for a set with a k-ary operation is considered. A combinatorial proof is gi