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A114892
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a(n) is the cycle length corresponding to A114891(n).
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1
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2, 2, 3, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 10, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2, 4, 2, 4, 2, 6, 4, 2, 4, 2
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OFFSET
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1,1
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COMMENTS
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Besides 3 for the cycle (5,7,6) the following lengths of cycles with elements <= 1500000 occur: 2, 4, 6, 10, 12, 16, 18. The even period lengths appear in a rather regular manner, presumably infinitely often.
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LINKS
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EXAMPLE
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A114727(12) = 32 belongs to the 6-cycle (32,37,36,35,34,33), so a(12) = 6.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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