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%I #16 Aug 26 2017 20:08:08
%S 0,27,27,54,81,135,216,351,567,918,1485,2403,3888,6291,10179,16470,
%T 26649,43119,69768,112887,182655,295542,478197,773739,1251936,2025675,
%U 3277611,5303286,8580897,13884183
%N Fibonacci sequence beginning 0, 27.
%H G. C. Greubel, <a href="/A022361/b022361.txt">Table of n, a(n) for n = 0..1000</a>
%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (1, 1).
%F G.f.: 27*x/(1-x-x^2). - _Philippe Deléham_, Nov 20 2008
%F a(n) = 27*A000045(n). - _G. C. Greubel_, Aug 26 2017
%t a={};b=0;c=27;AppendTo[a, b];AppendTo[a, c];Do[b=b+c;AppendTo[a, b];c=b+c;AppendTo[a, c], {n, 4!}];a (* _Vladimir Joseph Stephan Orlovsky_, Sep 18 2008 *)
%t Table[27*Fibonacci[n], {n,0,50}] (* or *) LinearRecurrence[{1,1}, {0,27}, 50] (* _G. C. Greubel_, Aug 26 2017 *)
%o (PARI) for(n=0,50, print1(27*fibonacci(n), ", ")) \\ _G. C. Greubel_, Aug 26 2017
%K nonn
%O 0,2
%A _N. J. A. Sloane_
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