Many thanks, Ed & Hans. Any known connexion with gamma, pi, etc. ?? On Fri, 19 Jul 2013, Ed Pegg Jr wrote:
Mathematica calls this PrimeZetaP[2]
to 100 digits, its
0.4522474200410654985065433648322479341732313432398924217364189303511650273639108744489575443549068582
http://reference.wolfram.com/mathematica/ref/PrimeZetaP.html
Ed Pegg Jr
On Fri, Jul 19, 2013 at 2:11 PM, Richard Guy <rkg@cpsc.ucalgary.ca> wrote:
Dear math-fun, Does anyone know the value of the sum 1/p^2, taken over the primes? I expect Euler did. R.
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