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A139742 a(n) = 11^n - 4^n. 2

%I

%S 0,7,105,1267,14385,160027,1767465,19470787,214293345,2357685547,

%T 25936376025,285307476307,3138411599505,34522645035067,

%U 379749565147785,4177247095673827,45949725568604865,505447011319424587,5559917244772754745,61159090173536639347

%N a(n) = 11^n - 4^n.

%H Vincenzo Librandi, <a href="/A139742/b139742.txt">Table of n, a(n) for n = 0..300</a>

%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (15,-44).

%F a(n) = 15*a(n-1) - 44*a(n-2). - _Vincenzo Librandi_, Jun 02 2011

%t Table[11^n-4^n,{n,0,30}] (* or *) LinearRecurrence[{15,-44},{0,7},30] (* _Harvey P. Dale_, Dec 10 2013 *)

%o (MAGMA) [11^n-4^n: n in [0..30]]; // _Vincenzo Librandi_, Jun 02 2011

%K nonn

%O 0,2

%A _N. J. A. Sloane_, May 20 2008

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Last modified April 4 20:37 EDT 2020. Contains 333229 sequences. (Running on oeis4.)