login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A135702 Decimal expansion of 3*Sum_{k=1..inf} 1/(10^k-1). 2
3, 6, 6, 9, 7, 2, 7, 3, 0, 2, 7, 8, 7, 3, 3, 5, 7, 8, 7, 9, 3, 2, 8, 5, 0, 3, 3, 8, 8, 4, 7, 9, 3, 3, 4, 7, 7, 3, 4, 4, 8, 4, 7, 9, 9, 2, 9, 1, 0, 9, 3, 8, 8, 5, 4, 5, 3, 2, 9, 6, 7, 4, 0, 2, 4, 4, 7, 9, 4, 4, 9, 6, 7, 3, 9, 9, 4, 4, 9, 1, 6, 2, 9, 7, 3, 3, 4, 4, 9, 7, 3, 9, 3, 3, 5, 6, 8, 0, 0, 7, 8, 4, 8, 6, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
Equals: 3*A073668, also A065444/3.
LINKS
EXAMPLE
0.36697273...
MATHEMATICA
RealDigits[9*N[ (1/3) Sum[1/(10^k - 1), {k, 1, Infinity}], 120]] [[1]]
PROG
(PARI) 3*suminf(k=1, 1/(10^k-1)) \\ Michel Marcus, Oct 30 2016
CROSSREFS
Sequence in context: A342425 A318845 A147866 * A108850 A111652 A159787
KEYWORD
nonn,cons
AUTHOR
Eric Desbiaux, Mar 03 2008
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 5 06:19 EST 2024. Contains 370537 sequences. (Running on oeis4.)