login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A097920 G.f.: (1+x^10)/((1-x)*(1-x^3)*(1-x^5)). 0
1, 1, 1, 2, 2, 3, 4, 4, 5, 6, 8, 9, 10, 12, 13, 16, 18, 19, 22, 24, 27, 30, 32, 35, 38, 42, 45, 48, 52, 55, 60, 64, 67, 72, 76, 81, 86, 90, 95, 100, 106, 111, 116, 122, 127, 134, 140, 145, 152, 158, 165, 172, 178, 185, 192, 200, 207, 214, 222, 229, 238, 246, 253, 262, 270, 279, 288 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

REFERENCES

G. van der Geer, Hilbert Modular Surfaces, Springer-Verlag, 1988; p. 188.

LINKS

Table of n, a(n) for n=0..66.

Index entries for Molien series

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

MATHEMATICA

CoefficientList[Series[(1+x^10)/((1-x)(1-x^3)(1-x^5)), {x, 0, 70}], x] (* Harvey P. Dale, Jul 23 2011 *)

CROSSREFS

Sequence in context: A011880 A029044 A029043 * A029042 A259200 A153155

Adjacent sequences:  A097917 A097918 A097919 * A097921 A097922 A097923

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Sep 05 2004

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified November 21 05:01 EST 2017. Contains 294988 sequences.