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arxiv: 1510.03159 · v3 · pith:7NR4C53Gnew · submitted 2015-10-12 · 🧮 math.CO

Analogues of a Fibonacci-Lucas Identity

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keywords identityproofgivealternateanalogousanaloguesassociated---identitiesbenjamin
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Sury's 2014 proof of an identity for Fibonacci and Lucas numbers (Identity 236 of Benjamin and Quinn's 2003 book: {\em Proofs that count: The art of combinatorial proof}) has excited a lot of comment. We give an alternate, telescoping, proof of this---and associated---identities and generalize them. We also give analogous identities for other sequences that satisfy a three-term recurrence relation.

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