48:25Theon's Ladder, Squangular Numbers, International Paper, and more!James Tanton1.4K viewsView & Download
2:18Solving The Mystery Of Triangular Numbers | Math's Hidden Patterns!Matematickcom Official569 viewsView & Download
8:19Egyptian Fractiions and Fibonacci's Greedy Algorithm (TANTON Mathematics)DrJamesTanton29.9K viewsView & Download