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A029226 Expansion of 1/((1-x^2)(1-x^7)(1-x^8)(1-x^9)). 1

%I

%S 1,0,1,0,1,0,1,1,2,2,2,2,2,2,3,3,5,4,6,4,6,5,7,7,9,9,10,10,11,11,13,

%T 13,16,15,18,17,20,19,22,22,25,25,28,28,31,31,34,34,38,38,42,42,46,46,

%U 50,50,55,55,60,60,65,65,70

%N Expansion of 1/((1-x^2)(1-x^7)(1-x^8)(1-x^9)).

%C Number of partitions of n into parts 2, 7, 8, and 9. - _Vincenzo Librandi_, Jun 02 2014

%H Vincenzo Librandi, <a href="/A029226/b029226.txt">Table of n, a(n) for n = 0..1000</a>

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

%t CoefficientList[Series[1/((1 - x^2) (1 - x^7) (1 - x^8) (1 -x^9)), {x, 0, 100}], x] (* _Vincenzo Librandi_, Jun 02 2014 *)

%o (PARI) Vec(1/((1-x^2)*(1-x^7)*(1-x^8)*(1-x^9)) + O(x^80)) \\ _Jinyuan Wang_, Mar 15 2020

%K nonn,easy

%O 0,9

%A _N. J. A. Sloane_

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Last modified February 26 17:04 EST 2021. Contains 341632 sequences. (Running on oeis4.)