A029128 - OEIS

%I #9 Aug 08 2019 18:30:17

%S 1,1,1,1,1,1,1,1,2,3,3,4,4,4,4,4,5,6,7,8,9,9,10,10,11,12,13,15,16,17,

%T 18,19,20,22,23,25,27,28,30,31,33,35,37,39,42,44,46,48,50,53,55,58,61,

%U 64,67,70,73,76,79,82,86,89

%N Expansion of 1/((1-x)(1-x^8)(1-x^9)(1-x^11)).

%H <a href="/index/Rec#order_29">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,0,0,0,1,0,-1,1,-1,0,0,0,0,-1,1,-1,0,1,0,0,0,0,0,0,1,-1).

%t CoefficientList[Series[1/((1-x)(1-x^8)(1-x^9)(1-x^11)),{x,0,70}],x] (* _Harvey P. Dale_, Jan 23 2019 *)

%K nonn,easy

%O 0,9

%A _N. J. A. Sloane_.