“…See [18,19,20,22,23,24,25,26,64]. In recent years, the Catalan numbers C n has been analytically generalized and studied in [21,27,40,41,42,43,44,45,50,52,56,57,58,61,67,69,70] and the closely related references therein. For more information on the Catalan numbers C n , please refer to the monographs [10,15,59,63] and the closely related references therein.…”