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A074970
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Number of steps to reach the first integer starting with sigma(n)/n and iterating the map x -> x*ceiling(x), or -1 if no integer is ever reached.
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0
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0, 1, 2, 2, 18, 0, 3, 2, 3, 3, 26, 1, 9, 3, 7, 3, 6, 3, 56, 11, 9, 15, 42, 2, 10, 3, 3, 0, 38
(list; graph; refs; listen; history; internal format)
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