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Topic: sum(eulerphi(n)/n!,n=1...infinity) = 5*sqrt(Pi)/3 -1 ????
Replies: 6   Last Post: Feb 2, 2013 5:14 PM

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jacob navia

Posts: 24
Registered: 4/13/10
Re: sum(eulerphi(n)/n!,n=1...infinity) = 5*sqrt(Pi)/3 -1 ????
Posted: Feb 2, 2013 1:01 PM
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Le 02/02/13 17:33, jacob navia a écrit :

I verified my result with maxima obtainibg some more digits

Here is the C version, then the maxima version:


1.95408535787600621314459486114714954037067277018696106082987772078870879855276092

1.954085357876006213144594861147149540370672770186961060829877720788708798552760923790471473992843712


In both cases the delta is the same. You come close but not equal The
difference is in the order of 1e-6




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