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A029221 Expansion of 1/((1-x^2)*(1-x^6)*(1-x^9)*(1-x^10)). 1

%I #11 Mar 15 2020 21:02:00

%S 1,0,1,0,1,0,2,0,2,1,3,1,4,1,4,2,5,2,7,3,8,4,9,4,11,5,12,7,14,8,17,9,

%T 18,11,20,12,24,14,26,17,29,18,33,20,35,24,39,26,44,29,47,33,51,35,57,

%U 39,61,44,66,47,73,51,77,57

%N Expansion of 1/((1-x^2)*(1-x^6)*(1-x^9)*(1-x^10)).

%C Number of partitions of n into parts 2, 6, 9, and 10. - _Joerg Arndt_, Jun 02 2014

%H Vincenzo Librandi, <a href="/A029221/b029221.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Rec#order_27">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,0,0,0,1,0,-1,1,1,-1,-1,0,0,-1,-1,1,1,-1,0,1,0,0,0,1,0,-1).

%t CoefficientList[Series[1/((1 - x^2) (1 - x^6) (1 - x^9) (1 - x^10)), {x, 0, 100}], x] (* _Vincenzo Librandi_, Jun 02 2014 *)

%o (PARI) Vec(1/((1-x^2)*(1-x^6)*(1-x^9)*(1-x^10)) + O(x^80)) \\ _Jinyuan Wang_, Mar 15 2020

%K nonn,easy

%O 0,7

%A _N. J. A. Sloane_

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)