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Search: id:A060412
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| A060412 |
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In the `3x+1' problem, these values for the starting value set new records for the "dropping time", number of steps to reach a lower value than the start. |
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+0 6
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| 2, 3, 7, 27, 703, 10087, 35655, 270271, 362343, 381727, 626331, 1027431, 1126015, 8088063, 13421671, 20638335, 26716671, 56924955, 63728127, 217740015, 1200991791, 1827397567, 2788008987, 12235060455
(list; graph; listen)
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