Log-concavity of the Fennessey-Larcombe-French Sequence
classification
🧮 math.CO
keywords
log-concavitysequencefennessey-larcombe-frenchrecurrencethree-termapproachcertaincondition
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We prove the log-concavity of the Fennessey-Larcombe-French sequence based on its three-term recurrence relation, which was recently conjectured by Zhao. The key ingredient of our approach is a sufficient condition for log-concavity of a sequence subject to certain three-term recurrence.
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