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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A062002 Gamma_0(n) has genus 0 and does not contain any elliptic elements. 0
4, 6, 8, 9, 12, 16, 18 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

J. McKay and A. Sebbar, Fuchsian groups, automorphic functions and Schwarzians, Math. Ann., 318 (2000), 255-275.

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Sequence in context: A122786 A092630 A079142 * A090419 A209799 A028958

Adjacent sequences:  A061999 A062000 A062001 * A062003 A062004 A062005

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Jun 27 2001

STATUS

approved

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

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

Last modified November 27 20:25 EST 2014. Contains 250271 sequences.