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A024091 a(n) = 8^n - n^3. 2

%I #13 Sep 08 2022 08:44:48

%S 1,7,56,485,4032,32643,261928,2096809,16776704,134216999,1073740824,

%T 8589933261,68719475008,549755811691,4398046508360,35184372085457,

%U 281474976706560,2251799813680335,18014398509476152

%N a(n) = 8^n - n^3.

%H Vincenzo Librandi, <a href="/A024091/b024091.txt">Table of n, a(n) for n = 0..400</a>

%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (12, -38, 52, -33, 8).

%F a(n) = 12*a(n-1) - 38*a(n-2) + 52*a(n-3) - 33*a(n-4) + 8*a(n-5); a(0)=1, a(1)=7, a(2)=56, a(3)=485, a(4)=4032. - _Harvey P. Dale_, Aug 22 2012

%t Table[8^n-n^3,{n,0,20}] (* or *) LinearRecurrence[{12,-38,52,-33,8},{1,7,56,485,4032},20] (* _Harvey P. Dale_, Aug 22 2012 *)

%o (Magma) [8^n-n^3: n in [0..20]]; // _Vincenzo Librandi_, Jul 05 2011

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)