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!)
A025804 Expansion of 1/((1-x^2)(1-x^4)(1-x^9)). 1
1, 0, 1, 0, 2, 0, 2, 0, 3, 1, 3, 1, 4, 2, 4, 2, 5, 3, 6, 3, 7, 4, 8, 4, 9, 5, 10, 6, 11, 7, 12, 8, 13, 9, 14, 10, 16, 11, 17, 12, 19, 13, 20, 14, 22, 16, 23, 17, 25, 19, 26, 20, 28, 22, 30, 23, 32, 25, 34, 26, 36, 28, 38, 30, 40 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..64.

PROG

(PARI) Vec(1/((1-x^2)*(1-x^4)*(1-x^9))+O(x^99)) \\ Charles R Greathouse IV, Sep 27 2012

CROSSREFS

Sequence in context: A164092 A302643 A319973 * A042961 A029190 A166865

Adjacent sequences:  A025801 A025802 A025803 * A025805 A025806 A025807

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 26 20:34 EDT 2021. Contains 347672 sequences. (Running on oeis4.)