Serpent Climbing Out of a Well/Historical Note

Historical Note on Serpent Climbing Out of a Well

David Wells reports in his Curious and Interesting Puzzles of $1992$ that this problem is given by Paolo Dagomari di Prato, also known as Paolo dell'Abbaco, in $\text {c. 1370}$, but gives no details.

Sources

• 1992: David Wells: Curious and Interesting Puzzles ... (previous) ... (next): Serpent Climbing out of a Well: $92$