OFFSET
1,2
COMMENTS
Where records occur in A097154. It is easy to find numbers that require many iterations to reach zero; e.g., 10^110+2 takes 200.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Jason Earls, Aug 01 2004
EXTENSIONS
a(33)-a(35) from Klaus Brockhaus, Aug 14 2004
STATUS
approved