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A145079
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Length of cycle of trajectory of n described in A098282, or -1 if no cycle is ever reached.
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3
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1, 1, 1, 1, 1, 4, 1, 4, 4, 4, 1, 4, 4, 1, 4, 1, 1, 1, 4, 4, 1, 4, 4, 1, 2, 1, 1, 1, 4, 4, 1, 1, 2, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 1, 4, 4, 4, 4, 1, 4, 1
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listen;
history;
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OFFSET
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1,6
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COMMENTS
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a(52) is currently unknown. - Donovan Johnson
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LINKS
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Table of n, a(n) for n=1..51.
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CROSSREFS
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Cf. A098282, A087712, A145077, A145078, A077960.
Sequence in context: A173259 A021711 A117445 * A196222 A035646 A144034
Adjacent sequences: A145076 A145077 A145078 * A145080 A145081 A145082
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KEYWORD
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nonn,more
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AUTHOR
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David Applegate and N. J. A. Sloane, Feb 09 2009
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EXTENSIONS
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a(19) - a(39) from John W. Layman, Mar 12 2010
a(40)-a(51) from Donovan Johnson, Jan 08 2011
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STATUS
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approved
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