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A199019 3*11^n-1. 1
2, 32, 362, 3992, 43922, 483152, 5314682, 58461512, 643076642, 7073843072, 77812273802, 855935011832, 9415285130162, 103568136431792, 1139249500749722, 12531744508246952, 137849189590716482, 1516341085497881312 (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), n>1.

G.f.: (2 + 8*x)/(1 - 12*x + 11*x^2). - Vincenzo Librandi, Jan 04 2013

MATHEMATICA

CoefficientList[Series[(2 + 8*x)/(1 - 12*x + 11*x^2), {x, 0, 30}], x] (* Vincenzo Librandi, Jan 04 2013 *)

PROG

(MAGMA) [3*11^n-1 : n in [0..20]]

CROSSREFS

Sequence in context: A091707 A060868 A270445 * A127697 A191467 A282881

Adjacent sequences:  A199016 A199017 A199018 * A199020 A199021 A199022

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 02 2011

STATUS

approved

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Last modified September 25 16:31 EDT 2017. Contains 292499 sequences.