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A139743 a(n) = 11^n - 5^n. 2

%I #21 Mar 24 2023 18:08:54

%S 0,6,96,1206,14016,157926,1755936,19409046,213968256,2355994566,

%T 25927658976,285262842486,3138184236096,34521491440806,

%U 379743730067616,4177217651837526,45949577275681536,505446265559840646,5559913498794965856,61159071374928218166

%N a(n) = 11^n - 5^n.

%H Vincenzo Librandi, <a href="/A139743/b139743.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 (16,-55).

%F a(n) = 16*a(n-1) - 55*a(n-2). - _Vincenzo Librandi_, Jun 02 2011

%F a(n) = 6*A016165(n-1) for n >= 1. - _Philippe Deléham_, Mar 23 2023

%o (Magma) [11^n-5^n: n in [0..30]]; // _Vincenzo Librandi_, Jun 02 2011

%Y Cf. A016165.

%Y Cf. A000351 (5^n), A001020 (11^n).

%K nonn

%O 0,2

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

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Last modified April 19 08:36 EDT 2024. Contains 371782 sequences. (Running on oeis4.)