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%I #31 Feb 26 2024 01:52:26
%S 0,6,12,42,120,366,1092,3282,9840,29526,88572,265722,797160,2391486,
%T 7174452,21523362,64570080,193710246,581130732,1743392202,5230176600,
%U 15690529806,47071589412,141214768242,423644304720,1270932914166
%N a(n) = 6 * A015518(n).
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,3).
%F a(n) = 2*a(n-1)+3*a(n-2).
%F G.f.: 6*x/(1-2*x-3*x^2). - _Colin Barker_, Jan 29 2012
%t LinearRecurrence[{2,3},{0,6},30] (* _Harvey P. Dale_, Jun 09 2017 *)
%Y Cf. A015518.
%K nonn,easy,less
%O 0,2
%A _Roger L. Bagula_ and _Gary W. Adamson_, Jul 04 2006
%E Edited by _N. J. A. Sloane_, Dec 04 2006