On 18 Feb., 23:08, William Hughes <wpihug...@gmail.com> wrote: > On Feb 18, 10:40 pm, WM <mueck...@rz.fh-augsburg.de> wrote: > > > > > > > On 18 Feb., 19:19, William Hughes <wpihug...@gmail.com> wrote: > > > > > > Is there a potentially infinite sequence, > > > > > x, such that the nth FIS of x consists of > > > > > n 1's > > > 1 > > 11 > > 111 > > ... > > > > > Yes, of course > > > > Let y be a potentially infinite sequence > > > where the nth FIS of y consists of a 1 followed > > > by n-1 0's > > > 1 > > 10 > > 100 > > 1000 > > ... > > > > Are x and y coFIS? > > > No. > > Is y the first line of the potentially > infinite list of potentially infinite > sequences > > L= > > 1000... > 11000... > 111000... > ... > > ?-
The n-th term of y and of the first line of L are coFIS up to every n. Usually we say then that both are identical.