A029328 - OEIS

%I #10 May 11 2023 14:23:14

%S 1,0,0,0,1,1,1,0,1,2,2,1,2,2,3,3,3,3,5,4,5,5,6,6,8,7,8,9,10,10,12,11,

%T 13,14,15,15,18,17,19,20,22,22,25,24,27,29,30,30,34,34,37,38,40,41,46,

%U 45,48,50,53,54,59,58,62,65

%N Expansion of 1/((1-x^4)(1-x^5)(1-x^6)(1-x^9)).

%H <a href="/index/Rec#order_24">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,1,1,1,0,0,0,-1,-1,0,-1,-1,0,0,0,1,1,1,0,0,0,-1).

%F G.f.: 1/((1-x^4)(1-x^5)(1-x^6)(1-x^9)).

%F a(n) = a(n-4)+a(n-5)+a(n-6)-a(n-10)-a(n-11)-a(n-13)-a(n-14)+a(n-18)+a(n-19)+a(n-20)-a(n-24). - _Wesley Ivan Hurt_, Apr 22 2021

%t CoefficientList[Series[1/((1-x^4)(1-x^5)(1-x^6)(1-x^9)), {x, 0, 100}], x] (* _Jinyuan Wang_, Mar 11 2020 *)

%K nonn,easy

%O 0,10

%A _N. J. A. Sloane_