Divisibility sequence

In mathematics, a divisibility sequence is an integer sequence ${(a_n)}_{n\in\N}$ such that for all natural numbers m, n,

i.e., whenever one index is a multiple of another one, then the corresponding term also is a multiple of the other term. The concept can be generalized to sequences with values in any ring where the concept of divisibility is defined.

单词	Divisibility sequence
释义	Divisibility sequence 英语百科 Divisibility sequence In mathematics, a divisibility sequence is an integer sequence ${(a_n)}_{n\in\N}$ such that for all natural numbers m, n, i.e., whenever one index is a multiple of another one, then the corresponding term also is a multiple of the other term. The concept can be generalized to sequences with values in any ring where the concept of divisibility is defined.
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