Description: Set half of the problem to a natural number n, by n half of the start can have a set order set (n) the number is as follows. (1) n ∈ set (n) (2) in the left side of n with a natural number, but the natural number can not exceed the number of recently added half (3) dealt with in accordance with this rule until the natural number can no longer add up to. For example, set (6) = (6,16,26,126,36,136). Set half of set (6) in the six elements. Set half the attention of multiple sets.
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半数集.txt
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