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A199106 4*12^n-1. 1
3, 47, 575, 6911, 82943, 995327, 11943935, 143327231, 1719926783, 20639121407, 247669456895, 2972033482751, 35664401793023, 427972821516287, 5135673858195455, 61628086298345471, 739537035580145663, 8874444426961747967 (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.: (3+8*x)/((1-x)*(1-12*x)).  - Bruno Berselli, Nov 03 2011

PROG

(MAGMA) [4*12^n-1: n in [0..20]];

CROSSREFS

Sequence in context: A245014 A247024 A137611 * A197203 A197801 A239450

Adjacent sequences:  A199103 A199104 A199105 * A199107 A199108 A199109

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 03 2011

STATUS

approved

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Last modified September 15 02:19 EDT 2019. Contains 327062 sequences. (Running on oeis4.)