FUNCTION : numcuspequiv1 - Number of inequivalent cusps of of Gamma[1](N) CALLING SEQUENCE : numcuspequiv1(N) PARAMETERS : N - positive integer SYNOPSIS : Returns the number of inequivalent cusps of Gamma[1](N). EXAMPLES : > numcuspequiv1(50); 56 DISCUSSION : Gamma[1](50) has 56 inequivalent cusps. SEE ALSO :