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%I #13 Aug 16 2024 20:50:21
%S 17,51,153,459,1377,4131,12393,37179,111537,334611,1003833,3011499,
%T 9034497,27103491,81310473,243931419,731794257,2195382771,6586148313,
%U 19758444939,59275334817,177826004451,533478013353,1600434040059,4801302120177,14403906360531
%N a(n) = 17*3^n.
%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (3).
%F G.f.: 17/(1-3*x).
%F a(n) = 3*a(n-1).
%F a(n) = 17*A000244(n).
%F E.g.f.: 17*exp(3*x). - _Elmo R. Oliveira_, Aug 16 2024
%t Table[17 3^n, {n, 0, 30}]
%t NestList[3#&,17,30] (* _Harvey P. Dale_, Oct 14 2022 *)
%o (Magma) [17*3^n: n in [0..30]];
%Y Cf. similar sequences listed in A258597.
%Y Cf. A000244.
%K nonn,easy
%O 0,1
%A _Vincenzo Librandi_, Jun 05 2015