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A010734 Constant sequence: the all 9's sequence. 7
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

The digital root of 9^n gives the sequence 1,9,9,9,9,... - Cino Hilliard (hillcino368(AT)gmail.com), Dec 31 2004

Continued fraction expansion of (9+sqrt(85))/2.  - Bruno Berselli, Mar 15 2011

LINKS

Tanya Khovanova, Recursive Sequences

INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 1017

Index entries for sequences related to linear recurrences with constant coefficients, signature (1).

FORMULA

G.f.: 9/(1-x).  - Bruno Berselli, Mar 15 2011

Equals A158289(n) + A199264(n). [Arkadiusz Wesolowski, Nov 30 2011]

E.g.f.: 9*e^x. - Vincenzo Librandi, Jan 26 2012

MATHEMATICA

Table[9, {81}] (* Arkadiusz Wesolowski, Nov 30 2011 *)

CROSSREFS

Sequence in context: A137577 A099646 A181693 * A180599 A066568 A106326

Adjacent sequences:  A010731 A010732 A010733 * A010735 A010736 A010737

KEYWORD

nonn,easy,changed

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 04:26 EST 2012. Contains 205978 sequences.