A025861 - OEIS

%I #5 Aug 01 2021 12:15:07

%S 1,0,0,0,1,1,0,0,1,2,1,0,1,2,2,1,1,2,3,2,2,2,3,3,3,3,3,4,4,4,4,4,5,5,

%T 5,5,6,6,6,6,7,7,7,7,8,9,8,8,9,10,10,9,10,11,12,11,11,12,13,13,13,13,

%U 14,15,15,15,15,16,17,17,17

%N Expansion of 1/((1-x^4)(1-x^5)(1-x^9)).

%H <a href="/index/Rec#order_18">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 1).

%t CoefficientList[Series[1/((1-x^4)(1-x^5)(1-x^9)),{x,0,100}],x] (* or *) LinearRecurrence[{0,0,0,1,1,0,0,0,0,0,0,0,-1,-1,0,0,0,1},{1,0,0,0,1,1,0,0,1,2,1,0,1,2,2,1,1,2},100] (* _Harvey P. Dale_, Aug 01 2021 *)

%K nonn

%O 0,10

%A _N. J. A. Sloane_.