johncarlosbaez, 14 days ago

@svat @phonner @paulmasson - I expand on that proof of Dobiński's formula using Stirling numbers here:

https://math.ucr.edu/home/baez/permutations/permutations_8.html

and I just gave another proof here on Mathstodon, using a lot of LaTeX:

https://mathstodon.xyz/@johncarlosbaez/112427042889044371