4 18 56 130 ()
人气:242 ℃ 时间:2020-06-21 04:38:20
解答
4=2*(1^3+1)
18=2*(2^3+1)
56=2*(3^3+1)
130=2*(4^3+1)
下一个就是2*(5^3+1)=252
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