%I
%S 1,2,4,6,9,12,17,22,29,36,45,54,67,80,97,114,135,156,183,210,243,276,
%T 315,354,403,452,511,570,639,708,791,874,971,1068,1179,1290,1421,1552,
%U 1703,1854,2025,2196,2393,2590
%N Expansion of 1/(1x)^2/(1x^2)/(1x^6)/(1x^12)/(1x^24)/(1x^48)/(1x^60).
%H Vincenzo Librandi, <a href="/A001365/b001365.txt">Table of n, a(n) for n = 0..1000</a>
%H INRIA Algorithms Project, <a href="http://ecs.inria.fr/services/structure?nbr=251">Encyclopedia of Combinatorial Structures 251</a>
%H <a href="/index/Rec#order_154">Index entries for linear recurrences with constant coefficients</a>, order 154.
%F G.f.: 1/(1x)^2/(1x^2)/(1x^6)/(1x^12)/(1x^24)/(1x^48)/(1x^60).
%t CoefficientList[Series[1/(1x)^2/(1x^2)/(1x^6)/(1x^12)/(1x^24)/(1x^48)/(1x^60),{x,0,1003}],x] (* _Vincenzo Librandi_, Feb 24 2012 *)
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_.
