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Results tagged with arithmetic-progression
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user 168142
An arithmetic progression is a (possibly infinite) sequence of numbers such that the difference between consecutive terms is always the same value.
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Arithmetic progressions in inverse image of totient function
I noticed on the OEIS that there are various sequences (e.g. A050515-A050520) that describe arithmetic progressions whose totients are all equal. For example, we have
$$\varphi(\{1,2\}) = 1$$
$$\varph …
- 807