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A198764 6*5^n-1. 2
5, 29, 149, 749, 3749, 18749, 93749, 468749, 2343749, 11718749, 58593749, 292968749, 1464843749, 7324218749, 36621093749, 183105468749, 915527343749, 4577636718749, 22888183593749, 114440917968749, 572204589843749, 2861022949218749 (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 (6,-5).

FORMULA

a(n) = 5*a(n-1)+4.

a(n) = 6*a(n-1)-5*a(n-2), n>1.

G.f.: (5 - x)/(1 - 6*x + 5*x^2). - Vincenzo Librandi, Jan 04 2013

MATHEMATICA

CoefficientList[Series[(5 - x)/(1 - 6*x + 5*x^2), {x, 0, 30}], x] (* Vincenzo Librandi, Jan 04 2013 *)

6*5^Range[0, 30]-1 (* or *) LinearRecurrence[{6, -5}, {5, 29}, 30] (* Harvey P. Dale, Dec 21 2014 *)

PROG

(MAGMA) [6*5^n-1: n in [0..30]]

CROSSREFS

Cf. A024049, A057651, A081655.

Sequence in context: A027864 A272839 A272921 * A065541 A060926 A239715

Adjacent sequences:  A198761 A198762 A198763 * A198765 A198766 A198767

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Oct 30 2011

STATUS

approved

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Last modified December 10 11:31 EST 2016. Contains 279001 sequences.