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A029241 Expansion of 1/((1-x^2)*(1-x^9)*(1-x^10)*(1-x^11)). 1

%I #11 Mar 12 2020 22:19:59

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

%T 10,10,10,11,11,13,13,16,15,18,16,19,17,20,19,22,22,25,25,27,27,29,29,

%U 31,31,34,34,38,37,41,40,44

%N Expansion of 1/((1-x^2)*(1-x^9)*(1-x^10)*(1-x^11)).

%C Number of partitions of n into parts 2, 9, 10, and 11. - _Vincenzo Librandi_, Jun 03 2014

%H Vincenzo Librandi, <a href="/A029241/b029241.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Rec#order_32">Index entries for linear recurrences with constant coefficients</a>, signature (0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, -1, -1, 0, 0, 0, 0, 0, -1, -1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, -1).

%t CoefficientList[Series[1/((1 - x^2) (1 - x^9) (1 - x^10) (1 - x^11)), {x, 0, 100}], x] (* _Vincenzo Librandi_, Jun 03 2014 *)

%o (PARI) Vec(1/((1-x^2)*(1-x^9)*(1-x^10)*(1-x^11)) + O(x^80)) \\ _Jinyuan Wang_, Mar 12 2020

%K nonn,easy

%O 0,11

%A _N. J. A. Sloane_

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)