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Search: id:A160275
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| A160275 |
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Partition of positive numbers into shortest possible groups (1), (2,3), (4,5,6), (7,8), ... such that a(n) = the sum of the terms of the n-th group is a multiple of a(n-1). |
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4
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| 1, 5, 15, 15, 30, 210, 1050, 6300, 1045800, 13756453200, 67826316310678800, 8622353329220210792550912000, 92206830102396929163916671718833533307592704000
(list; graph; listen)
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