A023158 - OEIS

%I #11 Mar 30 2012 18:35:18

%S 1,2,3,3,4,6,7,5,7,8,5,9,10,14,12,7,10,14,11,12,21,10,5,15,8,20,11,21,

%T 4,24,13,11,15,20,28,21,16,22,30,20,14,42,7,15,28,10,5,21,7,16,30,30,

%U 8,22,22,35,33,8,11,36,22,26,49,19,43,30,13,30,15,56,5,35,26,32,24,33,35,60

%N Number of cycles of function f(x) = x^7 mod n.

%C Not multiplicative; the smallest counterexample is a(55). - _T. D. Noe_, Nov 14 2006

%H David W. Wilson, <a href="/A023158/b023158.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_