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A199321 7*6^n+1. 1
8, 43, 253, 1513, 9073, 54433, 326593, 1959553, 11757313, 70543873, 423263233, 2539579393, 15237476353, 91424858113, 548549148673, 3291294892033, 19747769352193, 118486616113153, 710919696678913, 4265518180073473, 25593109080440833 (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.: (8-13*x)/((1-x)*(1-6*x)).

PROG

(MAGMA) [7*6^n+1: n in [0..30]];

CROSSREFS

Sequence in context: A034361 A117617 A111365 * A144039 A282189 A210125

Adjacent sequences:  A199318 A199319 A199320 * A199322 A199323 A199324

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 06 2011

STATUS

approved

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Last modified May 17 16:03 EDT 2021. Contains 343980 sequences. (Running on oeis4.)