%I #18 Aug 26 2017 18:10:55
%S 0,23,23,46,69,115,184,299,483,782,1265,2047,3312,5359,8671,14030,
%T 22701,36731,59432,96163,155595,251758,407353,659111,1066464,1725575,
%U 2792039,4517614,7309653,11827267
%N Fibonacci sequence beginning 0, 23.
%H G. C. Greubel, <a href="/A022357/b022357.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.: 23*x/(1-x-x^2). - _Philippe Deléham_, Nov 20 2008
%F a(n) = 23*A000045(n). - _G. C. Greubel_, Aug 26 2017
%t a={};b=0;c=23;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 17 2008 *)
%t Table[23*Fibonacci[n], {n,0,50}] (* or *) LinearRecurrence[{1,1}, {0,23}, 50] (* _G. C. Greubel_, Aug 26 2017 *)
%o (PARI) for(n=0,50, print1(23*fibonacci(n), ", ")) \\ _G. C. Greubel_, Aug 26 2017
%K nonn
%O 0,2
%A _N. J. A. Sloane_