[seqfan] Re: Q regarding A023172 (Numbers n such that n divides Fib(n).)
Klaus Brockhaus
klaus-brockhaus at t-online.de
Sun Nov 28 12:50:53 CET 2010
Sorry, I didn't realize that a(n) is A023172(n).
Am 28.11.2010 12:18, schrieb Klaus Brockhaus:
> Am 28.11.2010 11:47, schrieb Joerg Arndt:
>> Can anyone answer the following?
>>
>> "Are there any a(n)>1 that are neither
>> a multiple of 5 nor a multiple of 5?"
>>
>> See (the pink box near top in)
>> http://oeis.org/history?seq=A023172
>>
>>
>>
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>>
> 2 for example, and 6, and infinitely many others.
>
>
>
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