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A199762 (9*11^n+1)/2. 1
5, 50, 545, 5990, 65885, 724730, 7972025, 87692270, 964614965, 10610764610, 116718410705, 1283902517750, 14122927695245, 155352204647690, 1708874251124585, 18797616762370430, 206773784386074725, 2274511628246821970 (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)-5.

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

G.f.: 5*(1-2*x)/((1-x)*(1-11*x)).

PROG

(MAGMA) [(9*11^n+1)/2: n in [0..30]];

CROSSREFS

Sequence in context: A113330 A079157 A286974 * A078244 A233068 A237020

Adjacent sequences:  A199759 A199760 A199761 * A199763 A199764 A199765

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 10 2011

STATUS

approved

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Last modified August 19 18:33 EDT 2019. Contains 326133 sequences. (Running on oeis4.)