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A199320 5*6^n+1. 2
6, 31, 181, 1081, 6481, 38881, 233281, 1399681, 8398081, 50388481, 302330881, 1813985281, 10883911681, 65303470081, 391820820481, 2350924922881, 14105549537281, 84633297223681, 507799783342081, 3046798700052481, 18280792200314881 (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,-6).

FORMULA

a(n) = 6*a(n-1)-5.

a(n) = 7*a(n-1)-6*a(n-2).

G.f.: (6-11*x)/((1-x)*(1-6*x)).

PROG

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

CROSSREFS

Sequence in context: A321799 A275403 A338674 * A097176 A121754 A200775

Adjacent sequences:  A199317 A199318 A199319 * A199321 A199322 A199323

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 06 2011

STATUS

approved

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Last modified September 16 16:17 EDT 2021. Contains 347473 sequences. (Running on oeis4.)