(self)
return (n**2 - n)/2
Returns the number of independent generators of B_n
Returns the number of independent generators of B_n
Returns the number of independent generators of B_n
def basis(self):
        """
        Returns the number of independent generators of B_n
        """

        n = self.n
        return (n**2 - n)/2
def basis ( self ) : n = self . n return ( n ** 2 - n ) / 2