id:A126226 - OEIS Search Results

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Continued fraction of Prod_{primes p} ((p-1)/p)^(1/p)).

+0
2

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; listen)

	OFFSET	`0,4`
	COMMENT	`This might be interpreted as the expected value of phi(n)/n for very large n - David W. Wilson, Dec 05 2006`
	EXAMPLE	`0.55986561693237348...`
	PROGRAM	`(PARI) contfrac(exp(-suminf(m=2, log(zeta(m))*sumdiv(m, k, if(k<m, moebius(k)/(m-k), 0)))))`
	CROSSREFS	`Cf. A124175, A085548, A085541, A085964-A085969.` `Sequence in context: A058144 A132323 A055450 this_sequence A144156 A116854 A016567` `Adjacent sequences: A126223 A126224 A126225 this_sequence A126227 A126228 A126229`
	KEYWORD	`cofr,nonn`
	AUTHOR	`Martin Fuller (martin_n_fuller(AT)btinternet.com), Dec 20 2006`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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