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A199763 a(n) = 9*11^n+1. 1
10, 100, 1090, 11980, 131770, 1449460, 15944050, 175384540, 1929229930, 21221529220, 233436821410, 2567805035500, 28245855390490, 310704409295380, 3417748502249170, 37595233524740860, 413547568772149450, 4549023256493643940 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
FORMULA
a(n) = 11*a(n-1)-10.
a(n) = 12*a(n-1)-11*a(n-2).
G.f.: 10*(1-2*x)/((1-x)*(1-11*x)).
MATHEMATICA
9*11^Range[0, 20]+1 (* or *) LinearRecurrence[{12, -11}, {10, 100}, 20] (* Harvey P. Dale, Sep 06 2021 *)
PROG
(Magma) [9*11^n+1: n in [0..30]];
CROSSREFS
Sequence in context: A278444 A164832 A144822 * A097178 A283288 A283377
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Nov 10 2011
STATUS
approved

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Last modified June 13 05:35 EDT 2024. Contains 373366 sequences. (Running on oeis4.)