%I #19 Jun 13 2015 00:48:35
%S 1,3,7,11,29,47,123,199,521,843,2207,3571,9349,15127,39603,64079,
%T 167761,271443,710647,1149851,3010349,4870847,12752043,20633239,
%U 54018521,87403803,228826127,370248451,969323029,1568397607,4106118243
%N Odd Lucas numbers.
%C Lucas(3n+1) union Lucas(3n+2).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (0,4,0,1)
%F a(n) = 4*a(n-2)+a(n-4). - R. J. Mathar, Feb 10 2011
%F G.f.: (-x^3 + 3*x^2 + 3*x + 1)/(-x^4 - 4*x^2 + 1). - _Ralf Stephan_, Aug 31 2013
%t Select[LucasL[Range[50]],OddQ] (* _Harvey P. Dale_, Sep 26 2012 *)
%K nonn,easy
%O 0,2
%A _Mohammad K. Azarian_
%E More terms from _Erich Friedman_.