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附表为高手名单Find the 6th Number?1→2→6→42→1806→?The 6th number is

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附表为高手名单
Find the 6th Number?
1→2→6→42→1806→?
The 6th number is the password to open the attached file.
第六个数字就是打开这个excel的密码.
If you can...add your Name in the attached file & send it to someone else.
如果你能打开,你就是高手,就可以把自己的名字添加到这个excel中去了,然后别忘了发给您的好友也考考他们喔,哈哈!
附表为高手名单Find the 6th Number?1→2→6→42→1806→?The 6th number is
3263442
An=A(n-1)*[A(n-1)+1],
A1=1
所以A6=A5*(A5+1)=1806*1807=3263442