cp's OEIS Frontend

A081279 Binomial transform of Chebyshev coefficients A001794.

%I A081279 #14 Sep 08 2022 08:45:09
%S A081279 1,8,47,238,1101,4788,19899,79866,311769,1189728,4454919,16415622,
%T A081279 59659173,214229772,761200659,2679525522,9353893041,32409397944,
%U A081279 111534054111,381480041502,1297471217661,4390248981348,14785128121707
%N A081279 Binomial transform of Chebyshev coefficients A001794.
%H A081279 Vincenzo Librandi, <a href="/A081279/b081279.txt">Table of n, a(n) for n = 0..1000</a>
%H A081279 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (12,-54,108,-81).
%F A081279 a(n) = (2*n^3 + 30*n^2 + 103*n + 81) * 3^(n-4).
%F A081279 a(n) = 12*a(n-1) -54*a(n-2) +108*a(n-3) +8*1a(n-4), a(0)=1, a(1)=8, a(2)=47, a(3)=238.
%F A081279 G.f.: (1-2*x)*(1-x)^2/(1-3*x)^4.
%t A081279 CoefficientList[Series[(1 - 2 x) (1 - x)^2 / (1 - 3 x)^4, {x, 0, 40}], x] (* _Vincenzo Librandi_, Aug 07 2013 *)
%t A081279 LinearRecurrence[{12,-54,108,-81},{1,8,47,238},30] (* _Harvey P. Dale_, Jul 27 2015 *)
%o A081279 (Magma) [(2*n^3+30*n^2 + 103*n + 81)*3^(n - 4): n in [0..25]]; // _Vincenzo Librandi_, Aug 07 2013
%Y A081279 Cf. A007051, A006234, A081278, A081280.
%K A081279 easy,nonn
%O A081279 0,2
%A A081279 _Paul Barry_, Mar 16 2003