Pan F+ is my film of choice for 6x17 landscapes ; my times are as follows, in Rodinal 1:50 @ 20C ;(posted 8586 days ago)N+2 ; EI64 ; 11.0 mins
N+1 ; EI50 ; 8.5 mins
N ; EI32 ; 7.0 mins
N-1 ; EI25 ; 6.0 mins
N-2 ; EI16 ; 5.5 mins
Agitation is constant for the first 30 seconds, and then for 10 seconds every 30 seconds thereafter.
This film is also great in PMK - follow Gordon Hutchings' times, etc.