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A023155
Number of cycles of function f(x) = x^4 mod n.
1
1, 2, 2, 2, 2, 4, 4, 2, 4, 4, 4, 4, 4, 8, 4, 2, 2, 8, 6, 4, 8, 8, 4, 4, 4, 8, 6, 8, 4, 8, 10, 2, 8, 4, 8, 8, 6, 12, 8, 4, 4, 16, 10, 8, 8, 8, 4, 4, 10, 8, 4, 8, 4, 12, 8, 8, 12, 8, 4, 8, 10, 20, 16, 2, 8, 16, 10, 4, 8, 16, 10, 8, 6, 12, 8, 12, 16, 16, 10, 4, 8, 8, 6, 16, 4, 20, 8, 8, 4, 16, 16, 8, 20, 8, 12
OFFSET
1,2
COMMENTS
Not multiplicative; the smallest counterexample is a(275). - T. D. Noe, Nov 14 2006
LINKS
CROSSREFS
Cf. A023153-A023161 (cycles of the functions f(x)=x^k mod n for k=2..10)
Sequence in context: A034877 A224516 A023161 * A277847 A085311 A052273
KEYWORD
nonn
STATUS
approved