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A199107 5*12^n-1. 1
4, 59, 719, 8639, 103679, 1244159, 14929919, 179159039, 2149908479, 25798901759, 309586821119, 3715041853439, 44580502241279, 534966026895359, 6419592322744319, 77035107872931839, 924421294475182079, 11093055533702184959 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..900

Index entries for linear recurrences with constant coefficients, signature (13,-12).

FORMULA

a(n) = 12*a(n-1)+11.

a(n) = 13*a(n-1)-12*a(n-2).

G.f.: (4+7*x)/((1-x)*(1-12*x)).  - Bruno Berselli, Nov 03 2011

PROG

(MAGMA) [5*12^n-1: n in [0..20]];

(PARI) a(n)=5*12^n-1 \\ Charles R Greathouse IV, Nov 03 2014

CROSSREFS

Sequence in context: A183462 A093597 A257069 * A280668 A198508 A126754

Adjacent sequences:  A199104 A199105 A199106 * A199108 A199109 A199110

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 03 2011

STATUS

approved

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Last modified September 18 05:32 EDT 2019. Contains 327165 sequences. (Running on oeis4.)