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A075108
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First integer reached when starting with n/floor(Log2(n)) and iterating the map x -> x*ceiling(x) A075107(n) times, or -1 if no integer is ever reached.
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2
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2, 3, 2, 60, 3, 14, 8, 3, 1484710602474311520, 220, 4, 227370, 560, 5, 4, 218790, 268065, 570, 5, 1008, 33, 1458660, 6, 1925, 2093, 2268, 7, 58, 60, 62, 2016, 494764640798827359861461484, 5220768, 7
(list; graph; refs; listen; history; internal format)
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