%I #11 Jul 14 2016 00:21:36
%S 32,36,64,72,81,75,121,128,96,128,118,147,142,162,167,179,243,242,214,
%T 256,239,256,263,274,284
%N Maximal level of a torsion-free congruence subgroup of PSL(2,Z) of genus n.
%D 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.
%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