A258694 Maximal level of a congruence subgroup of PSL(2,Z) of genus n.

48, 52, 78, 96, 108, 126, 126, 156, 169, 154, 168, 198, 210, 231, 252, 240, 243, 289, 264, 273, 286, 308, 361, 338, 336

Offset

0,1

Links

Table of n, a(n) for n=0..24.

C. J. Cummins and S. Pauli, Congruence Subgroups of PSL(2,Z) of genus less than or equal to 24 , Experimental Math., 12 (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: A296872 A364702 A357429 * A328738 A067191 A080854

Adjacent sequences: A258691 A258692 A258693 * A258695 A258696 A258697

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 07 2015

Status

approved