The value n may be 1 or 0:
When 1 (true), a class created by a DDL CREATE TABLE statement is final, meaning it cannot have subclasses.
When 0 (false), the class is not final.
0 or 1. The default is 1.
On the page System Administration > Configuration > SQL and Object Settings > General SQL Settings, for the Are classes created via DDL CREATE TABLE statement defined as Final? setting, choose Yes (true) or No (false).