A087500 Decimal expansion of Khinchin mean K_{-10}.

1, 0, 9, 1, 8, 7, 7, 0, 4, 1, 2, 0, 9, 6, 1, 2, 6, 7, 8, 2, 7, 6, 1, 1, 0, 9, 7, 9, 4, 7, 7, 6, 3, 8, 2, 5, 6, 4, 9, 3, 2, 7, 2, 6, 5, 1, 4, 2, 9, 6, 5, 6, 2, 7, 2, 7, 1, 0, 7, 5, 4, 9, 1, 3, 5, 6, 9, 7, 3, 5, 1, 3, 9, 7, 0, 7, 2, 9, 8, 9, 0, 6, 3, 3, 6, 6, 6, 5, 3, 0, 6, 6, 5, 4, 4, 9, 4, 0, 9, 2

Offset

1,3

Comments

Khinchin's constant is K_0.

Links

Table of n, a(n) for n=1..100.

Eric Weisstein's World of Mathematics, Khinchin's Constant

Example

1.09187704...

Mathematica

m = 10; digits = 100; exactEnd = 1000; f[n_] = -(Log[1 - (1 + n)^(-2)]/(n^m*Log[2])); s[n_] = Series[f[n], {n, Infinity, digits}] // Normal // N[#, digits]&; exactSum = Sum[f[n], {n, 1, exactEnd}] // N[#, digits]&; extraSum = Sum[s[n], {n, exactEnd + 1, Infinity}] // N[#, digits]&; (exactSum + extraSum)^(-1/m) // RealDigits[#, 10, digits]& // First (* Jean-François Alcover, Feb 14 2013 *)

Crossrefs

Cf. A002210, A087491, A087492, A087493, A087494, A087495, A087496, A087497, A087498, A087499, A087500.

Sequence in context: A301815 A191502 A109871 * A238168 A340551 A299622

Adjacent sequences: A087497 A087498 A087499 * A087501 A087502 A087503

Keyword

nonn,cons

Author

Eric W. Weisstein, Sep 09 2003

Extensions

More terms from Jean-François Alcover, Feb 14 2013

Status

approved