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A199563 5*9^n+1. 1
6, 46, 406, 3646, 32806, 295246, 2657206, 23914846, 215233606, 1937102446, 17433922006, 156905298046, 1412147682406, 12709329141646, 114383962274806, 1029455660473246, 9265100944259206, 83385908498332846, 750473176484995606 (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 (10,-9).

FORMULA

a(n) = 2*A135423(n).

a(n) = 9*a(n-1)-8.

a(n) = 10*a(n-1)-9*a(n-2).

G.f.: 2*(3-7*x)/((1-x)*(1-9*x)).

MAPLE

A199563:=n->5*9^n+1; seq(A199563(k), k=0..50); # Wesley Ivan Hurt, Oct 24 2013

MATHEMATICA

Table[5*9^n+1, {n, 0, 50}] (* Wesley Ivan Hurt, Oct 24 2013 *)

PROG

(Magma) [5*9^n+1: n in [0..30]];

CROSSREFS

Sequence in context: A288689 A271933 A084772 * A349332 A111531 A052781

Adjacent sequences:  A199560 A199561 A199562 * A199564 A199565 A199566

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 08 2011

STATUS

approved

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Last modified October 4 21:22 EDT 2022. Contains 357240 sequences. (Running on oeis4.)