Log-concavity of the Fennessey-Larcombe-French Sequence

Published 7 Mar 2015 in math.CO | (1503.02151v1)

Abstract: 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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