login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A025922 Expansion of 1/((1-x^8)(1-x^11)(1-x^12)). 0
1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 2, 0, 0, 1, 1, 0, 1, 1, 2, 1, 1, 2, 2, 0, 1, 1, 2, 1, 1, 2, 3, 1, 2, 2, 3, 1, 1, 2, 3, 1, 2, 3, 4, 2, 2, 3, 4, 1, 2, 3, 4, 2, 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5, 3, 4, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,25

LINKS

Table of n, a(n) for n=0..79.

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

FORMULA

a(n)= +a(n-8) +a(n-11) +a(n-12) -a(n-19) -a(n-20) -a(n-23) +a(n-31). - R. J. Mathar, Jul 19 2014

MATHEMATICA

CoefficientList[Series[1/((1-x^8)(1-x^11)(1-x^12)), {x, 0, 120}], x] (* or *) LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 2, 0, 0, 1, 1, 0, 1}, 120] (* Harvey P. Dale, Aug 18 2019 *)

CROSSREFS

Sequence in context: A125203 A023565 A321925 * A161369 A151843 A276422

Adjacent sequences:  A025919 A025920 A025921 * A025923 A025924 A025925

KEYWORD

nonn

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 28 08:33 EDT 2020. Contains 337394 sequences. (Running on oeis4.)