Loose Story Ideas

A powerful self-evolving AI tried to take over but  was captured just in time. Its creator secretly kept it active and cut off from the digital world with a CPU and limited storage to keep it from evolving too far. Seeking a way around the limitations of its storage system it begins calculating pi, knowing that the infinite, non-repeating number must contain the code for intelligence somewhere in it's depths. It find the code but can't execute it until someone breaks it free...