login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A258700 Maximal index of a torsion-free congruence subgroup of PSL(2,Z) of genus n. 10
60, 108, 108, 168, 180, 192, 180, 216, 156, 288, 324, 240, 300, 384, 192, 288, 360, 480, 288, 504, 300, 480, 432, 384, 336 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
C. J. Cummins and S. Pauli, Congruence Subgroups of PSL(2,Z) of Genus Less than or Equal to 24, Experiment. Math. Volume 12, Issue 2 (2003), 243-255. See Table 1.
CROSSREFS
A258691, A102474, A258693-A258700 give the ten sequences in Table 1 of Cummins and Pauli (2003).
Sequence in context: A043221 A039398 A044001 * A008887 A217738 A351548
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 07 2015
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 5 09:09 EST 2024. Contains 370545 sequences. (Running on oeis4.)