OFFSET
1,3
COMMENTS
Total number of cycles is given by A135547.
LINKS
Max Alekseyev, Table of n, a(n) for n = 1..420
N. J. Calkin, J. G. Stevens, D. M. Thomas, A characterization for the lengths of cycles of the n-number Ducci game, Fib. Q. 43(1), 2005, 53-59.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 27 2005
EXTENSIONS
Terms a(1), a(2), and a(41) onward from Max Alekseyev, Oct 12 2013
STATUS
approved