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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A063813 Growth series for fundamental group of orientable closed surface of genus 3. 0
1, 12, 132, 1452, 15972, 175692, 1932600, 21258468, 233841708, 2572242948, 28294498188, 311237563428, 3423592114800, 37659281352252, 414249543874452, 4556716921788252, 50123577472433652, 551355956878070652, 6064878177383077800 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

P. de la Harpe, Topics in Geometric Group Theory, Univ. Chicago Press, 2000, p. 160, Sigma(Gamma_3, S_3; z).

FORMULA

G.f.: (1+x)*(1-x^6)/(1-11*x+11*x^6-x^7).

CROSSREFS

Sequence in context: A163055 A163432 A163957 * A164601 A164781 A165266

Adjacent sequences:  A063810 A063811 A063812 * A063814 A063815 A063816

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 21 2001

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 11:47 EST 2012. Contains 205907 sequences.