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Anonymous
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10/23/2022 1:58 AM
216 B
17
Indexable
def f(x):
    if x == 1:
        return 2
    return f(x - 1) * 2 - 1


t = int(input())
while t > 0:
    t -= 1
    x = int(input())
    print(f(x))
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