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A238270 Decimal expansion of Sum_{n>=1} mu(n)/2^n. 4
1, 0, 2, 0, 1, 1, 3, 3, 4, 8, 1, 7, 8, 1, 0, 3, 6, 4, 7, 4, 3, 0, 3, 6, 3, 9, 3, 9, 3, 1, 8, 2, 4, 3, 5, 1, 5, 4, 3, 6, 1, 0, 4, 9, 2, 5, 1, 0, 2, 9, 1, 0, 7, 3, 5, 8, 7, 3, 8, 8, 0, 3, 2, 5, 9, 0, 9, 3, 7, 2, 7, 6, 0, 5, 1, 9, 5, 2, 3, 3, 8, 4, 2, 8, 4, 8, 3, 6, 8, 4, 7, 8, 5, 5, 2, 0, 3, 8, 8, 9, 6, 6, 7, 3, 7, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Suggested by a posting to SeqFan list by Alonso del Arte at 15:35 on Aug 09 2012.

LINKS

Table of n, a(n) for n=0..105.

EXAMPLE

0.102011334817810364743036393931824351543610492510291073587388032...

MATHEMATICA

RealDigits[ Sum[ N[ MoebiusMu[n] 2^-n, 128], {n, 380}], 10, 111][[1]]

PROG

(PARI) sum(n=1, (default(realprecision)+2)*log(10)/log(2), moebius(n)/2.^n) \\ Charles R Greathouse IV, Sep 03 2015

CROSSREFS

Cf. A008683, A238271, A238272, A238273.

Sequence in context: A246181 A123226 A299919 * A292521 A215086 A261440

Adjacent sequences:  A238267 A238268 A238269 * A238271 A238272 A238273

KEYWORD

nonn,cons,easy

AUTHOR

Robert G. Wilson v, Feb 21 2014

STATUS

approved

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Last modified June 23 16:30 EDT 2021. Contains 345402 sequences. (Running on oeis4.)