OFFSET
1,1
COMMENTS
After 11 steps enters a cycle of length 9.
LINKS
N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.
MATHEMATICA
NestList[FromDigits[Reverse[IntegerDigits[#]]]+1&, 15, 100] (* Harvey P. Dale, Jul 26 2015 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), May 14 2006
STATUS
approved