OFFSET
1,2
COMMENTS
Because A114440 is finite, this sequence is necessarily also finite.
Note that after a(23), all terms are divisible by 9 since all the terms that take three steps to arrive at 1 are multiples of 9 so the sum of digits of their predecessors must also be a multiple of 9.
LINKS
Ray Chandler, Table of n, a(n) for n = 1..15095
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Ray Chandler, Jan 23 2014
STATUS
approved