Question 1044530
Proof is by induction:

Basis Step : If n=1

7^(2n)+16n-1  =  7^(2)+16-1 = 49+16-1 = 64 (divisible by 64)

Inductive step:  

H)  7^(2n)+16n-1 is divisible by 64

T)  7^(2(n+1))+16(n+1)-1 is divisible by 64

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