login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A025891 Expansion of 1/((1-x^5)*(1-x^9)*(1-x^10)). 3

%I #13 Dec 12 2022 08:22:27

%S 1,0,0,0,0,1,0,0,0,1,2,0,0,0,1,2,0,0,1,2,3,0,0,1,2,3,0,1,2,3,4,0,1,2,

%T 3,4,1,2,3,4,5,1,2,3,4,6,2,3,4,5,7,2,3,4,6,8,3,4,5,7,9,3,4,6,8,10,4,5,

%U 7,9,11,4,6,8,10,12,5,7,9

%N Expansion of 1/((1-x^5)*(1-x^9)*(1-x^10)).

%C a(n) is the number of partitions of n into parts 5, 9, and 10. - _Michel Marcus_, Dec 12 2022

%H G. C. Greubel, <a href="/A025891/b025891.txt">Table of n, a(n) for n = 0..5000</a>

%H <a href="/index/Rec#order_24">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,1,0,0,0,1,1,0,0,0,-1,-1,0,0,0,-1,0,0,0,0,1).

%t CoefficientList[Series[1/((1-x^5)(1-x^9)(1-x^10)),{x,0,80}],x] (* _Harvey P. Dale_, Mar 05 2019 *)

%o (Magma) R<x>:=PowerSeriesRing(Integers(), 90); Coefficients(R!( 1/((1-x^5)*(1-x^9)*(1-x^10)) )); // _G. C. Greubel_, Dec 11 2022

%o (SageMath)

%o def A025891_list(prec):

%o P.<x> = PowerSeriesRing(ZZ, prec)

%o return P( 1/((1-x^5)*(1-x^9)*(1-x^10)) ).list()

%o A025891_list(90) # _G. C. Greubel_, Dec 11 2022

%K nonn

%O 0,11

%A _N. J. A. Sloane_

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)