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!)
A025881 Expansion of 1/((1-x^5)*(1-x^6)*(1-x^12)). 6
1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 2, 0, 0, 1, 1, 2, 2, 0, 1, 1, 2, 2, 3, 1, 1, 2, 2, 3, 4, 1, 2, 2, 3, 4, 5, 2, 2, 3, 4, 5, 6, 2, 3, 4, 5, 6, 7, 3, 4, 5, 6, 7, 8, 4, 5, 6, 7, 8, 10, 5, 6, 7, 8, 10, 11, 6, 7, 8, 10, 11, 13, 7, 8, 10, 11 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,13

COMMENTS

a(n) is the number of partitions of n into parts 5, 6, and 12. - Joerg Arndt, Nov 19 2022

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..5000

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1,1,0,0,0,0,-1,1,0,0,0,0,-1,-1,0,0,0,0,1).

MATHEMATICA

CoefficientList[Series[1/((1-x^5)(1-x^6)(1-x^12)), {x, 0, 80}], x] (* Harvey P. Dale, Nov 26 2020 *)

PROG

(Magma) R<x>:=PowerSeriesRing(Rationals(), 90); Coefficients(R!( 1/((1-x^5)*(1-x^6)*(1-x^12)) )); // G. C. Greubel, Nov 18 2022

(SageMath)

def A025881_list(prec):

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

return P( 1/((1-x^5)*(1-x^6)*(1-x^12)) ).list()

A025881_list(90) # G. C. Greubel, Nov 18 2022

CROSSREFS

Cf. A025876, A025877, A025878, A025879, A025880.

Sequence in context: A035144 A157045 A035208 * A039804 A277537 A323179

Adjacent sequences: A025878 A025879 A025880 * A025882 A025883 A025884

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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 March 25 18:33 EDT 2023. Contains 361528 sequences. (Running on oeis4.)