On Integrality and Asymptotic Behavior of the (k, l)-Göbel Sequences
Hibiki Gima, Toshiki Matsusaka, Taichi Miyazaki, and Shunta Yara
Faculty of Mathematics and Department of Mathematics
Kyushu University
Motooka 744, Nishi-ku, Fukuoka 819-0395
Japan
Abstract:
Recently, Matsuhira, Matsusaka, and Tsuchida revisited old studies of the
integrality of k-Göbel sequences and showed that the first 19 terms
are always integers for every integer k ≥ 2.
In this article, we further
explore two topics: Ibstedt's (k, l)-Göbel sequences and Zagier's
asymptotic formula for the 2-Göbel sequence, and extend their results.
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(Concerned with sequences
A003504
A008292
A052129
A097398
A112302
A115632
A116603
A123852.)
Received March 10 2024; revised version received October 27 2024.
Published in Journal of Integer Sequences,
October 29 2024.
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