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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A010722 Constant sequence: the all 6's sequence. 18
 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Continued fraction expansion of 3+sqrt(10). - Bruno Berselli, Mar 15 2011 Decimal expansion of Sum_{n >= 0} n/binomial(2*n+1, n) = 2/3. - Bruno Berselli, Sep 14 2015 Decimal expansion of 2/3. - Franklin T. Adams-Watters, Feb 23 2019 LINKS Table of n, a(n) for n=0..80. INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 1014 Tanya Khovanova, Recursive Sequences Index to divisibility sequences Index entries for linear recurrences with constant coefficients, signature (1). FORMULA G.f.: 6/(1-x). - Bruno Berselli, Mar 15 2011 E.g.f.: 6*e^x. - Vincenzo Librandi, Jan 27 2012 a(n) = floor(1/(-n + csc(1/n))). - Clark Kimberling, Mar 10 2020 PROG (PARI) a(n)=6 \\ Charles R Greathouse IV, Sep 28 2015 CROSSREFS Cf. A145429: decimal expansion of Sum_{n >= 0) n/binomial(2*n, n). Cf. A000012, A007395, A010701, A010709, A010716. Sequence in context: A269348 A165057 A165059 * A020793 A021019 A177057 Adjacent sequences: A010719 A010720 A010721 * A010723 A010724 A010725 KEYWORD nonn,easy AUTHOR N. J. A. Sloane 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.

Last modified July 23 16:47 EDT 2024. Contains 374552 sequences. (Running on oeis4.)