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A114728
a(n) is the cycle length corresponding to A114727(n).
3
2, 3, 3, 18, 21, 21, 3, 3, 138, 156, 156, 52, 3, 3, 84, 84, 84, 28, 84, 84, 84, 84, 28, 12, 84, 28, 84, 28, 28, 84, 12, 3, 4, 3, 1376, 1376, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 406, 7, 406, 58, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
OFFSET
1,1
COMMENTS
Besides 1 for fixed points the following lengths of cycles with elements <= 250000 occur: 2, 3, 4, 6, 7, 12, 18, 21, 28, 52, 54, 58, 84, 138, 156, 162, 406, 618, 1376, 1854, 2544, 3953, 5562, 16686.
EXAMPLE
A114727(33) = 792 belongs to the 4-cycle (792,1198,1401,995), so a(33) = 4.
CROSSREFS
Sequence in context: A076358 A208798 A090522 * A057676 A062168 A296836
KEYWORD
nonn
AUTHOR
Klaus Brockhaus, Dec 29 2005
STATUS
approved