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Jul 30, 2021 at 10:29 comment added rgvalenciaalbornoz Just in case, for recurrences of degree $1$, $a_{1}x_{n+1}+a_{0}x_{n}=0,x_{0}=b_{0}$, the result is trivial, since the mentioned probability is related to the probability that $a_{1}|a_{0}$ from a set of $(2m)^2$ pairs, which is roughly $\frac{log(2m)}{2m}$
Jul 30, 2021 at 10:20 history edited rgvalenciaalbornoz CC BY-SA 4.0
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Jul 30, 2021 at 10:15 comment added rgvalenciaalbornoz Yes, exactly that, but $n$ natural greater or equal than 0. I fix it in the post.
Jul 30, 2021 at 10:13 history edited rgvalenciaalbornoz CC BY-SA 4.0
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Jul 30, 2021 at 10:07 comment added Peter Taylor So the question is: if we fix the $b_i$, how many assignments of the $a_i$ give integer values for all positive and negative $n$?
Jul 30, 2021 at 10:03 history edited rgvalenciaalbornoz CC BY-SA 4.0
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Jul 30, 2021 at 9:47 history edited rgvalenciaalbornoz CC BY-SA 4.0
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Jul 30, 2021 at 9:35 history asked rgvalenciaalbornoz CC BY-SA 4.0