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%I #18 Nov 16 2025 11:48:37
%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="https://projecteuclid.org/journals/experimental-mathematics/volume-12/issue-2/Congruence-Subgroups-of-rm-PSL2Z-of-Genus-Less-than-or/em/1067634734.full">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