%I #12 Mar 30 2012 18:35:18

%S 1,2,3,3,5,6,3,5,3,10,7,9,5,6,15,9,13,6,3,15,9,14,7,15,13,10,3,9,13,

%T 30,7,17,21,26,15,9,5,6,15,25,25,18,7,21,15,14,7,27,7,26,39,15,21,6,

%U 35,15,9,26,7,45,13,14,9,25,25,42,7,39,21,30,19,15,9,10,39,9,21,30,11,45,3,50,23

%N Number of cycles of function f(x) = x^9 mod n.

%C Not multiplicative; the smallest counterexample is a(187). - _T. D. Noe_, Nov 14 2006

%H David W. Wilson, <a href="/A023160/b023160.txt">Table of n, a(n) for n=1..10000</a>

%Y Cf. A023153

%Y Cf. A023153-A023161 (cycles of the functions f(x)=x^k mod n for k=2..10)

%K nonn

%O 1,2

%A _David W. Wilson_