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Expansion of 1/((1-x)(1-x^2)(1-x^7)(1-x^9)).
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%I #9 May 14 2017 06:36:02

%S 1,1,2,2,3,3,4,5,6,8,9,11,12,14,16,18,21,23,27,29,33,36,40,44,48,53,

%T 57,63,68,74,80,86,93,99,107,114,123,131,140,149,158,168,178,189,200,

%U 212,224,236,249,262,276,290,305

%N Expansion of 1/((1-x)(1-x^2)(1-x^7)(1-x^9)).

%C Number of partitions of n into parts 1, 2, 7 and 9. - _Ilya Gutkovskiy_, May 14 2017

%H <a href="/index/Rec#order_19">Index entries for linear recurrences with constant coefficients</a>, signature (1,1,-1,0,0,0,1,-1,0,0,-1,1,0,0,0,-1,1,1,-1).

%t CoefficientList[Series[1/((1-x)(1-x^2)(1-x^7)(1-x^9)),{x,0,60}],x] (* _Harvey P. Dale_, Feb 26 2011 *)

%K nonn

%O 0,3

%A _N. J. A. Sloane_.