

A258693


Number of congruence subgroups of PSL(2,Z) of genus n, up to conjugacy in PGL(2,Z).


10



121, 163, 145, 241, 215, 256, 175, 388, 212, 403, 235, 381, 198, 549, 178, 485, 294, 667, 191, 647, 203, 729, 284, 537, 212
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OFFSET

0,1


LINKS



CROSSREFS



KEYWORD

nonn,more


AUTHOR



STATUS

approved



