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%I #19 May 14 2024 03:20:52
%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#order_02">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
%Y Cf. A000302, A001020.
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_, May 20 2008