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Expansion of 1/((1-x)(1-x^4)(1-x^7)(1-x^11)).
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%I #8 Sep 13 2018 16:47:24

%S 1,1,1,1,2,2,2,3,4,4,4,6,7,7,8,10,11,11,13,15,16,17,20,22,23,25,28,30,

%T 32,35,38,40,43,47,50,53,57,61,64,68,73,77,81,86,92,96,101,107,113,

%U 118,124,131,137,143,150,158

%N Expansion of 1/((1-x)(1-x^4)(1-x^7)(1-x^11)).

%C Number of partitions of n into parts 1, 4, 7 and 11. - _Ilya Gutkovskiy_, May 18 2017

%H <a href="/index/Rec#order_23">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,1,-1,0,1,-1,0,0,0,0,0,0,-1,1,0,-1,1,0,0,1,-1).

%t CoefficientList[Series[1/((1-x)(1-x^4)(1-x^7)(1-x^11)),{x,0,80}],x] (* or *) LinearRecurrence[{1,0,0,1,-1,0,1,-1,0,0,0,0,0,0,-1,1,0,-1,1,0,0,1,-1},{1,1,1,1,2,2,2,3,4,4,4,6,7,7,8,10,11,11,13,15,16,17,20},80] (* _Harvey P. Dale_, Sep 13 2018 *)

%K nonn

%O 0,5

%A _N. J. A. Sloane_.