[seqfan] Re: Observation on the divisors of 136
Antti Karttunen
antti.karttunen at gmail.com
Sun Dec 31 22:03:05 CET 2017
Neil Fernandez wrote in
http://list.seqfan.eu/pipermail/seqfan/2017-December/018224.html
> Excluding powers of 2, the sequence begins
> 3, 10, 136, 32896
> with no more members less than 10^7.
This is a subsequence of
https://oeis.org/A295296
"Numbers n such that the sum of their divisors + the number of ones in
their binary expansion = 2n", which is just one among many of its
equivalent interpretations.
Best regards,
Antti
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