A029027 - OEIS

%I #8 Nov 30 2023 14:30:51

%S 1,1,2,2,3,3,4,4,5,6,8,9,11,12,14,15,17,18,21,23,27,29,33,35,39,41,45,

%T 48,53,57,63,67,73,77,83,87,94,99,107,113,122,128,137,143,152,159,169,

%U 177,188,197,209,218,230,239

%N Expansion of 1/((1-x)(1-x^2)(1-x^9)(1-x^10)).

%C Number of partitions of n into parts 1, 2, 9 and 10. - _Ilya Gutkovskiy_, May 14 2017

%H <a href="/index/Rec#order_22">Index entries for linear recurrences with constant coefficients</a>, signature (1,1,-1,0,0,0,0,0,1,0,-2,0,1,0,0,0,0,0,-1,1,1,-1).

%t CoefficientList[Series[1/((1-x)(1-x^2)(1-x^9)(1-x^10)),{x,0,80}],x] (* or *) LinearRecurrence[{1,1,-1,0,0,0,0,0,1,0,-2,0,1,0,0,0,0,0,-1,1,1,-1},{1,1,2,2,3,3,4,4,5,6,8,9,11,12,14,15,17,18,21,23,27,29},80] (* _Harvey P. Dale_, Nov 30 2023 *)

%K nonn

%O 0,3

%A _N. J. A. Sloane_.