Re: [math-fun] sum phi(n)/2^n

checks out, Euler[n]<n and 2^n gets pretty big ;-)) Simon Plouffe sandwiches it between two illustrious unfamiliars, where it seems to belong. W. ----- Original Message ----- From: "Richard Guy" <rkg@cpsc.ucalgary.ca> To: "Math Fun" <math-fun@mailman.xmission.com> Sent: Thursday, February 12, 2004 11:31 PM Subject: [math-fun] sum phi(n)/2^n

David Angell asked about this at the Western Number Theory Conference.

Would someone check my hand calculation,

1.367630801985022350790508146

and try it out on Simon Plouffe's whatever-it-is? Thanks! R.

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