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A199752 3*11^n+1 1
4, 34, 364, 3994, 43924, 483154, 5314684, 58461514, 643076644, 7073843074, 77812273804, 855935011834, 9415285130164, 103568136431794, 1139249500749724, 12531744508246954, 137849189590716484, 1516341085497881314 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..900

Index entries for linear recurrences with constant coefficients, signature (12,-11).

FORMULA

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

a(n) = 12*a(n-1)-11*a(n-2).

G.f.: 2*(2-7*x)/((1-x)*(1-11*x)).

MATHEMATICA

LinearRecurrence[{12, -11}, {4, 34}, 30] (* or *) NestList[11#-10&, 4 , 30] (* Harvey P. Dale, May 09 2013 *)

PROG

(MAGMA) [3*11^n+1: n in [0..30]];

CROSSREFS

Sequence in context: A107350 A206180 A274344 * A264607 A307941 A084973

Adjacent sequences:  A199749 A199750 A199751 * A199753 A199754 A199755

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 10 2011

STATUS

approved

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Last modified January 17 12:17 EST 2022. Contains 350394 sequences. (Running on oeis4.)