[seqfan] Re: Palindome reciprocal sums

Charles Greathouse charles.greathouse at case.edu
Sat Jun 21 15:39:57 CEST 2014


Yes. To be explicit: I think there are more terms in A118031 than we have
actual knowledge.

Charles Greathouse
Analyst/Programmer
Case Western Reserve University


On Sat, Jun 21, 2014 at 7:28 AM, Hans Havermann <gladhobo at teksavvy.com>
wrote:

> My attempt at the sum of the reciprocals of binary palindromes yields
> 2.3787957...
>
> Is anyone else bothered by the (large) number of terms in
> http://oeis.org/A118031 ?
>
>
> On Jun 20, 2014, at 5:18 PM, Frank Adams-Watters <FrankTAW at Netscape.net>
> wrote:
>
> > We have
> > A118031, sum of reciprocals of decimal palindromes
> > A118064 sum of reciprocals of decimal palindromic primes
> > A194097 sum of reciprocals of binary palindromic primes
> >
> > But we don't have the one I would consider the most basic, the sum of
> the reciprocals of binary palindromes.
> >
> > It would take me some time to write a program to compute it. Perhaps
> someone can compute at least the first few digits fairly easily.
>
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