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 A121199 12n+7^n+5^n. 1

%I

%S 2,24,98,504,3074,19992,133346,901752,6155522,42306840,292240994,

%T 2026155000,14085427970,98109713688,684326588642,4778079088248,

%U 33385518460418,233393453440536,1632228295176290,11417968671701496

%N 12n+7^n+5^n.

%H Vincenzo Librandi, <a href="/A121199/b121199.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (14,-60,82,-35).

%F G.f.: 2*(1-2*x-59*x^2+204*x^3)/((1-x)^2*(1-7*x)*(1-5*x)). - _Vincenzo Librandi_, Feb 23 2013

%t CoefficientList[Series[2 (1 - 2 x - 59 x^2 + 204 x^3)/((1-x)^2 (1-7 x) (1-5 x)), {x, 0, 20}], x] (* _Vincenzo Librandi_, Feb 23 2013 *)

%t Table[12 n + 7^n + 5^n, {n, 0, 20}] (* _Bruno Berselli_, Feb 27 2013 *)

%t LinearRecurrence[{14,-60,82,-35},{2,24,98,504},20] (* _Harvey P. Dale_, Aug 15 2013 *)

%o (PARI) for(n=0, 20, print1(12*n+7^n+5^n", ")); \\ _Bruno Berselli_, Feb 27 2013

%o (MAGMA) [12*n+7^n+5^n: n in [0..20]]; // _Bruno Berselli_, Feb 27 2013

%Y Cf. A074616.

%K nonn,easy

%O 0,1

%A _Mohammad K. Azarian_, Aug 19 2006

%E Edited by _Ray Chandler_, Sep 06 2006

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Last modified January 17 14:12 EST 2019. Contains 319225 sequences. (Running on oeis4.)