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A126109 (5*10^n+1)/3. 3
2, 17, 167, 1667, 16667, 166667, 1666667, 16666667, 166666667, 1666666667, 16666666667, 166666666667, 1666666666667, 16666666666667, 166666666666667, 1666666666666667, 16666666666666667 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (11,-10).

FORMULA

Contribution from Vincenzo Librandi, Nov 09 2011: (Start)

a(n) = 10*a(n-1)-3.

a(n) = 11*a(n-1)-10*a(n-2).

G.f.: (2-5*x)/((1-x)*(1-10*x)). (End)

MATHEMATICA

NestList[10#-3&, 2, 20] (* or *) LinearRecurrence[{11, -10}, {2, 17}, 20] (* Harvey P. Dale, Jan 14 2012 *)

PROG

(MAGMA) [(5*10^n+1)/3: n in [0..30]]; // Vincenzo Librandi, Nov 09 2011

CROSSREFS

Sequence in context: A197864 A231616 A003419 * A046909 A041879 A011550

Adjacent sequences:  A126106 A126107 A126108 * A126110 A126111 A126112

KEYWORD

nonn,easy

AUTHOR

Alex P. Lamoreux (Chamale_ic(AT)hotmail.com), Mar 05 2007

EXTENSIONS

Edited by Don Reble (djr(AT)nk.ca), Mar 09 2007

STATUS

approved

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Last modified December 4 15:24 EST 2016. Contains 278750 sequences.