A029031 - OEIS

%I #8 Sep 06 2020 12:57:49

%S 1,1,2,2,3,3,4,4,5,5,6,7,9,10,12,13,15,16,18,19,21,22,25,27,31,33,37,

%T 39,43,45,49,51,55,58,63,67,73,77,83,87,93,97,103,107,114,119,127,133,

%U 142,148,157,163,172,178,187

%N Expansion of 1/((1-x)(1-x^2)(1-x^11)(1-x^12)).

%H <a href="/index/Rec#order_26">Index entries for linear recurrences with constant coefficients</a>, signature (1,1,-1,0,0,0,0,0,0,0,1,0,-2,0,1,0,0,0,0,0,0,0,-1,1,1,-1).

%t CoefficientList[Series[1/((1-x)(1-x^2)(1-x^11)(1-x^12)), {x, 0, 90}], x] (* _Jinyuan Wang_, Mar 24 2020 *)

%t LinearRecurrence[{1,1,-1,0,0,0,0,0,0,0,1,0,-2,0,1,0,0,0,0,0,0,0,-1,1,1,-1},{1,1,2,2,3,3,4,4,5,5,6,7,9,10,12,13,15,16,18,19,21,22,25,27,31,33},90] (* _Harvey P. Dale_, Sep 06 2020 *)

%K nonn,easy

%O 0,3

%A _N. J. A. Sloane_