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A199556 9*8^n+1. 1
10, 73, 577, 4609, 36865, 294913, 2359297, 18874369, 150994945, 1207959553, 9663676417, 77309411329, 618475290625, 4947802324993, 39582418599937, 316659348799489, 2533274790395905, 20266198323167233, 162129586585337857 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index to sequences with linear recurrences with constant coefficients, signature (9,-8).

FORMULA

a(n) = 8*a(n-1)-7.

a(n) = 9*a(n-1)-8*a(n-2).

G.f.: (10-17*x)/((1-x)*(1-8*x)).

PROG

(MAGMA) [9*8^n+1: n in [0..30]];

CROSSREFS

Sequence in context: A181678 A206817 A159687 * A044197 A044578 A103434

Adjacent sequences:  A199553 A199554 A199555 * A199557 A199558 A199559

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 08 2011

STATUS

approved

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Last modified November 24 20:38 EST 2014. Contains 249919 sequences.