110 people attended OEIS-50 (videos, suggestions); annual fundraising drive to start soon (donate); editors, please edit! (stack is over 300), your editing is more valuable than any donation.
After 4 steps enters a cycle of length 72.
Table of n, a(n) for n=1..44.
N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.
Cf. A117828, A117816, A117817.
Sequence in context: A242238 A200866 A057392 * A114819 A137945 A072413
Adjacent sequences: A118629 A118630 A118631 * A118633 A118634 A118635
Luc Stevens (lms022(AT)yahoo.com), May 09 2006