https://www.youtube.com/watch?v=elQVZLLiod4
This was fun. Really appreciated the use of cobweb graphs -- I remember seeing them on my TI-84 calculator and never quite understanding what they're for.

#math #tetration #threeblueonebrown

(aside: I managed to find that "switchover" point by poking around and then doing a binary search (followed by a Google search because the decimal number didn't ring any bells) which, although it lacked the real mathematical insight, was also fun in itself)