Olympiad level counting (Generating functions)
16:03
The unexpectedly hard windmill question (2011 IMO, Q2)
26:06
Newton’s fractal (which Newton knew nothing about)
24:52
The Most Useful Thing AI Has Ever Done
21:52
Counting with Calculus: The Magic of Generating Functions
17:13
A Magic Square Breakthrough - Numberphile
30:42
Pi hiding in prime regularities
21:58
Group theory, abstraction, and the 196,883-dimensional monster
13:48