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A258691 Total number of congruence subgroups of PSL(2,Z) of genus n. 10
1116, 2801, 4107, 6513, 7257, 9386, 10416, 18191, 13726, 21014, 15622, 27466, 18095, 33241, 22871, 40880, 30809, 54794, 24935, 60648, 31137, 66841, 36135, 59450, 42289 (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: A027622 A259295 A260103 * A221428 A161848 A020380
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 07 2015
STATUS
approved

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Last modified March 1 06:29 EST 2024. Contains 370430 sequences. (Running on oeis4.)