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Length of cycle mentioned in A151967.
5

%I #5 Mar 30 2012 17:28:42

%S 1,1,1,4,7,8,3,1,3,5,3,5,7,5,3,5,3,1,3,1,5,1,5,3,3,3,5,3,3,3,3,3,3,3,

%T 3,3,3,1,5,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,5,3,3,3,3,3,3,3,3,3,3,3,

%U 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3

%N Length of cycle mentioned in A151967.

%H Joseph Myers, <a href="/A151968/b151968.txt">Table of n, a(n) for n=2..1000</a> [From _Joseph Myers_, Aug 21 2009]

%H <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a>

%Y Different from A151958.

%K nonn,base

%O 2,4

%A _N. J. A. Sloane_, Aug 20 2009

%E Extended by _Joseph Myers_, Aug 21 2009