A181673 Decimal expansion of Sum_{n>=1} moebius(n)*(1/10)^n.

0, 8, 8, 9, 9, 0, 9, 0, 0, 0, 8, 9, 9, 1, 0, 9, 8, 9, 9, 0, 1, 0, 9, 0, 0, 0, 9, 9, 8, 8, 9, 0, 1, 1, 0, 9, 9, 1, 0, 9, 8, 8, 9, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 1, 0, 1, 0, 8, 9, 9, 1, 0, 0, 0, 8, 9, 0, 0, 8, 8, 9, 9, 1, 0, 0, 0, 8, 9, 0, 0, 0, 9, 0, 1, 1, 0, 9, 9

Offset: 0

Author

Mats Granvik, Nov 04 2010

Keywords

• cons
• nonn

Examples

			0.088990900089910989901090009988901109910...
		

Crossrefs

Cf. A008683, A238270, A238271, A238273.

Programs

Mathematica

RealDigits[ Sum[ N[ MoebiusMu[n] 10^-n, 128], {n, 120}], 10, 111][[1]] (* Robert G. Wilson v, Feb 21 2014 *)

PARI

sum(n=1,default(realprecision)+1,moebius(n)/10.^n) \\ Charles R Greathouse IV, Feb 13 2011

Extensions

Corrected by Charles R Greathouse IV, May 27 2015