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A013762 a(n) = 18^(3*n + 1). 2

%I #20 Sep 08 2022 08:44:38

%S 18,104976,612220032,3570467226624,20822964865671168,

%T 121439531096594251776,708235345355337676357632,

%U 4130428534112329328517709824,24088659210943104643915283693568

%N a(n) = 18^(3*n + 1).

%H Vincenzo Librandi, <a href="/A013762/b013762.txt">Table of n, a(n) for n = 0..100</a>

%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>

%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (5832).

%F From _Philippe Deléham_, Dec 07 2008: (Start)

%F a(n) = 5832*a(n-1), a(0)=18.

%F G.f.: 18/(1-5832*x).

%F a(n) = A013763(n)/18. (End)

%o (Magma) [18^(3*n+1): n in [0..15]]; // _Vincenzo Librandi_, May 24 2011

%o (PARI) a(n)=18^(3*n+1) \\ _Charles R Greathouse IV_, Jul 11 2016

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)