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An integer sequence from a rational recursion

Authors
Journal
Discrete Mathematics
0012-365X
Publisher
Elsevier
Publication Date
Volume
110
Identifiers
DOI: 10.1016/0012-365x(92)90714-q

Abstract

Abstract The sequence of numbers { a i } defined by the recurrence a n= (a n−3a n−1+a 2 n−2) a n−4 for n>3 with initial values a 0, a 1, a 2, a 3=1 is shown to be integral. Other initial values are also considered.

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