888884domain: NAppears in sequencesFor k in {2,3,...,9} define a sequence as follows: a(0)=0; for n>=0, a(n+1)=a(n)+1, unless a(n) ends in k, in which case a(n+1) is obtained by replacing the last digit of a(n) with the digit(s) of k^2. This is k(9).at n=49A237346Non-repdigit numbers n such that A045876(n) ends with n.at n=8A276802