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A013809 a(n) = 18^(4*n+3). 1

%I #13 Sep 08 2022 08:44:38

%S 5832,612220032,64268410079232,6746640616477458432,

%T 708235345355337676357632,74347713614021927913318776832,

%U 7804725584345565904628551916716032,819308872942260126404286866009182175232,86007768245986699029416418046179908027154432

%N a(n) = 18^(4*n+3).

%H Vincenzo Librandi, <a href="/A013809/b013809.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 (104976).

%o (Magma) [18^(4*n+3): n in [0..15]]; // _Vincenzo Librandi_, Jul 06 2011

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)