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Search: id:A114892
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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
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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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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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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Cf. A114861, A114891.
Sequence in context: A127731 A159978 A098223 this_sequence A143595 A077769 A144909
Adjacent sequences: A114889 A114890 A114891 this_sequence A114893 A114894 A114895
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KEYWORD
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nonn
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jan 09 2006
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