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Three Approaches to a Sequence Problem

Gregory Minton
Mathematics Magazine
Vol. 84, No. 1 (February 2011), pp. 33-37
DOI: 10.4169/math.mag.84.1.033
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Page Count: 5
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Three Approaches to a Sequence Problem
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Summary In this note we examine a well-studied problem concerning the terms of a certain linear recurrence modulo prime numbers. We present three solutions to this problem and examine the similarities and differences between them. In particular, despite using primality in different ways, all three proofs yield the same generalization of the original problem.

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