%I A045615
%S A045615 1,3,4,7,8,12,11,18,10,7,2,11,3,4,4,9,0,6,0,1,2,0,0,1,2,1,1,1,0,1,0,1,
%T A045615 0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1
%N A045615 Genus 0 subgroups of PSL(2,Z) up to conjugacy - by level.
%D A045615 Cox,D.A. and Parry, W.R. Crelle J., 351, pp. 66 - 112
%Y A045615 Sequence in context: A050032 A014602 A078823 this_sequence A051201 A026449 
               A165157
%Y A045615 Adjacent sequences: A045612 A045613 A045614 this_sequence A045616 A045617 
               A045618
%K A045615 hard,nonn
%O A045615 1,2
%A A045615 John McKay (mckay(AT)cs.concordia.ca)