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Expansion of 1/((1-x)(1-x^4)(1-x^6)(1-x^9)).
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%I #9 Oct 09 2020 14:41:06

%S 1,1,1,1,2,2,3,3,4,5,6,6,8,9,10,11,13,14,17,18,20,22,25,26,30,32,35,

%T 38,42,44,49,52,56,60,65,68,75,79,84,89,96,100,108,113,120,127,135,

%U 140,150,157,165,173,183,190,202,210,220,230,242,250,264,274,286

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

%C Number of partitions of n into parts 1, 4, 6 and 9. - _Ilya Gutkovskiy_, May 18 2017

%H <a href="/index/Rec#order_20">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,1,-1,1,-1,0,1,-2,1,0,-1,1,-1,1,0,0,1,-1).

%t CoefficientList[Series[1/((1-x)(1-x^4)(1-x^6)(1-x^9)),{x,0,70}],x] (* or *) LinearRecurrence[{1,0,0,1,-1,1,-1,0,1,-2,1,0,-1,1,-1,1,0,0,1,-1},{1,1,1,1,2,2,3,3,4,5,6,6,8,9,10,11,13,14,17,18},70] (* _Harvey P. Dale_, Oct 09 2020 *)

%K nonn

%O 0,5

%A _N. J. A. Sloane_.