Thread: October 2020 View Single Post
 2020-10-05, 08:13 #6 Dieter   Oct 2017 103 Posts Can anyone explain to me - why the ** in "**20** lines"? - why the $in "length$n\$"? - which other path than 10-20-30-40-70-90 is possible in the sample program? - what will say "the number of paths ... is the sequence 0,2,2,...?" Isn't the number dependent of a,b? Does 0 make sense? Perhaps I'm the only one who doesn't understand this.