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A045475
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Normalized extreme values for "3x+1" trees of depth n.
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0
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1, 1, 1, 2, 2, 3, 4, 5, 6, 9, 11, 16, 20, 27, 36, 48, 64, 87, 114, 154, 206, 274, 363, 484, 649, 868, 1159, 1549, 2052, 2747
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OFFSET
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1,4
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REFERENCES
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D. Applegate and J. C. Lagarias, Distribution of 3x+1 trees, Experimental Mathematics 4 (1995),193-209.
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LINKS
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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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