%I #11 Jul 02 2021 10:15:14
%S 3,2,6,5,8,11,13,19,24,32,43,56,75,99,131,174,230,305,404,535,709,939,
%T 1244,1648,2183,2892,3831,5075,6723,8906,11798,15629,20704,27427,
%U 36333,48131,63760,84464,111891,148224,196355,260115,344579
%N a(n) = a(n-2) + a(n-3).
%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,1).
%F G.f.: (3 + 2*x + 3*x^2)/(1 - x^2 - x^3).
%t LinearRecurrence[{0,1,1},{3,2,6},50] (* _Harvey P. Dale_, Jan 16 2018 *)
%Y Cf. A001608.
%K nonn
%O 0,1
%A _N. J. A. Sloane_
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