A258694 - OEIS

%I #14 Jul 14 2016 08:33:48

%S 48,52,78,96,108,126,126,156,169,154,168,198,210,231,252,240,243,289,

%T 264,273,286,308,361,338,336

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

%H C. J. Cummins and S. Pauli, <a href="http://www.emis.de/journals/EM/expmath/volumes/12/12.2/pp243_255.pdf">Congruence Subgroups of PSL(2,Z) of genus less than or equal to 24 </a>, Experimental Math., 12 (2), 2003, 243-255. See Table 1.

%Y A258691, A102474, A258693-A258700 give the ten sequences in Table 1 of Cummins and Pauli (2003).

%K nonn,more

%O 0,1

%A _N. J. A. Sloane_, Jun 07 2015