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A193577 5*7^n 4
5, 35, 245, 1715, 12005, 84035, 588245, 4117715, 28824005, 201768035, 1412376245, 9886633715, 69206436005, 484445052035, 3391115364245, 23737807549715, 166164652848005, 1163152569936035, 8142067989552245, 56994475926865715 (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 (7).

FORMULA

G.f.: 5/(1-7*x).

a(n) = 7*a(n-1), a(0)=5.

MATHEMATICA

5 7^Range[0, 20] (* or *) NestList[7#&, 5, 20] (* Harvey P. Dale, Dec 10 2017 *)

PROG

(MAGMA) [5*7^n: n in [0..20]];

CROSSREFS

Cf. A005055.

Cf. A169634, A000420.

Sequence in context: A290903 A155127 A239846 * A196661 A104532 A292839

Adjacent sequences:  A193574 A193575 A193576 * A193578 A193579 A193580

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Sep 15 2011

STATUS

approved

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Last modified October 20 02:03 EDT 2019. Contains 328244 sequences. (Running on oeis4.)