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A126226
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Continued fraction of Prod_{primes p} ((p-1)/p)^(1/p)).
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1
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0, 1, 1, 3, 1, 2, 11, 1, 1, 4, 1, 9, 2, 2, 1, 1, 4, 4, 2, 2, 2, 1, 14, 1, 2, 2, 2, 7, 2, 2, 1, 1, 4, 2, 4, 1, 11, 7, 2, 8, 32, 2, 1, 293, 2, 145, 1, 2, 1, 21, 1, 1, 3, 1, 1, 8, 8, 5, 2, 3, 4, 3, 1, 3, 1, 1, 1, 1, 3, 2, 1, 3, 1, 2, 2, 1, 2, 19, 3, 2, 1, 15, 1, 2, 1, 2, 5, 3, 1, 1, 1, 38, 1, 10, 1, 2, 1, 80, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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COMMENTS
| This might be interpreted as the expected value of phi(n)/n for very large n - David W. Wilson, Dec 05 2006
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EXAMPLE
| 0.55986561693237348...
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PROG
| (PARI) contfrac(exp(-suminf(m=2, log(zeta(m))*sumdiv(m, k, if(k<m, moebius(k)/(m-k), 0)))))
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CROSSREFS
| Cf. A124175, A085548, A085541, A085964-A085969.
Sequence in context: A132323 A055450 A185835 * A144156 A116854 A016567
Adjacent sequences: A126223 A126224 A126225 * A126227 A126228 A126229
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KEYWORD
| cofr,nonn
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AUTHOR
| Martin Fuller (martin_n_fuller(AT)btinternet.com), Dec 20 2006
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