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A062396 9^n + 1. 41
2, 10, 82, 730, 6562, 59050, 531442, 4782970, 43046722, 387420490, 3486784402, 31381059610, 282429536482, 2541865828330, 22876792454962, 205891132094650, 1853020188851842, 16677181699666570, 150094635296999122 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (10,-9).

FORMULA

a(n) = 9*a(n-1)-8 = A001019(n)+1 = 10*a(n-1) - 9*a(n-2).

G.f.: 1/(1-x)+1/(1-9*x). E.g.f.: e^x+e^(9*x). - Mohammad K. Azarian, Jan 02 2009

MATHEMATICA

Table[9^n + 1, {n, 0, 20}]

LinearRecurrence[{10, -9}, {2, 10}, 20] (* Harvey P. Dale, May 30 2013 *)

PROG

(MAGMA) [9^n + 1: n in [0..35]]; // Vincenzo Librandi, Apr 30 2011

(PARI) a(n)=9^n+1 \\ Charles R Greathouse IV, Sep 24 2015

CROSSREFS

Cf. A054977, A007395, A000051, A034472, A052539, A034474, A062394, A034491, A062395, A062397, A007689, A063376, A063481, A074600-A074624, A034524, A178248, A228081 for numbers one more than powers.

Sequence in context: A088351 A231919 A174962 * A218294 A112487 A089469

Adjacent sequences:  A062393 A062394 A062395 * A062397 A062398 A062399

KEYWORD

easy,nonn

AUTHOR

Henry Bottomley, Jun 22 2001

STATUS

approved

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Last modified May 22 19:31 EDT 2017. Contains 286885 sequences.