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What is the next number in the series: 1, 2, 8, 33, 145, ??

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What is the next number in the series: 1, 2, 8, 33, 145, ??
posted Dec 29, 2016 by anonymous

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1 Answer

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1*1+1^2 = 2
2*2+2^2=8
8*3+3^2=33
33*4+4^2=148
148*5+5^2=765
Ans: 765 (số 145 là số không đúng trong dãy này)

answer Jan 4, 2017 by Anhthu Cao
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