A087496 - OEIS

A087496

Decimal expansion of Khinchin mean K_{-6}.

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

(list; constant; graph; refs; listen; history; text; internal format)

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

1.15655237...

MATHEMATICA

m = 6; 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: A226975 A273065 A071629 * A198742 A106704 A127205

Adjacent sequences: A087493 A087494 A087495 * A087497 A087498 A087499

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Sep 09 2003

EXTENSIONS

More terms from Charles R Greathouse Jul 16 2007

Edited by Charles R Greathouse IV, Oct 28 2009

More terms from Jean-François Alcover, Feb 14 2013

STATUS

approved