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A199310 7*5^n+1. 1
8, 36, 176, 876, 4376, 21876, 109376, 546876, 2734376, 13671876, 68359376, 341796876, 1708984376, 8544921876, 42724609376, 213623046876, 1068115234376, 5340576171876, 26702880859376, 133514404296876, 667572021484376 (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).

G.f.: (8-12*x)/((1-x)*(1-5*x)).

PROG

(MAGMA) [7*5^n+1: n in [0..30]];

CROSSREFS

Sequence in context: A014347 A200053 A164545 * A316107 A054627 A019022

Adjacent sequences:  A199307 A199308 A199309 * A199311 A199312 A199313

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 05 2011

STATUS

approved

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Last modified January 24 16:47 EST 2020. Contains 331209 sequences. (Running on oeis4.)