OFFSET
1,2
COMMENTS
After 1371 steps enters a cycle of 36.
LINKS
Georg Fischer, Table of n, a(n) for n = 1..2000
N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.
CROSSREFS
KEYWORD
base,nonn,less,easy
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), May 14 2006
EXTENSIONS
a(23) ff. corrected by Georg Fischer, Jul 17 2020
STATUS
approved