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arxiv: 0805.3743 · v1 · submitted 2008-05-24 · 🧮 math.CO

Bijective Proofs of Identities from Colored Binary Trees

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keywords bijectiveidentitiesproofsbinarycatalanchoosecoloredcombinatorial
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This note provide bijective proofs of two combinatorial identities involving generalized Catalan number $C_{m,5}(n)={m\over 5n+m}{5n+m\choose n}$ recently proposed by Sun.

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