仔细观察,找规律2,3,5,9,17,33,(),1291,3,7,15,(),63,()1,4,9,16,()36,()

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仔细观察,找规律2,3,5,9,17,33,(),1291,3,7,15,(),63,()1,4,9,16,()36,()

仔细观察,找规律2,3,5,9,17,33,(),1291,3,7,15,(),63,()1,4,9,16,()36,()
仔细观察,找规律
2,3,5,9,17,33,(),129
1,3,7,15,(),63,()
1,4,9,16,()36,()

仔细观察,找规律2,3,5,9,17,33,(),1291,3,7,15,(),63,()1,4,9,16,()36,()
1.
为2^k+1
2,3,5,9,17,33,(65),129
2.
a[i]=a[i-1]*2+1
1,3,7,15,(31),63,(127)
3.
a[i]:=i*i
1,4,9,16,(25)36,(49)