import sys
input = sys.stdin.readline
def iinput(): return int(input())
def sinput(): return input().rstrip()
def i0input(): return int(input()) - 1
def linput(): return list(input().split())
def liinput(): return list(map(int, input().split()))
def miinput(): return map(int, input().split())
def li0input(): return list(map(lambda x: int(x) - 1, input().split()))
def mi0input(): return map(lambda x: int(x) - 1, input().split())
INF = 10**20
MOD = 998244353

dp = [2] * (101)

for i in range(2, 101):
    for j in range(1, i):
        dp[i] += dp[j] * 2 % MOD
        dp[i] %= MOD

T = iinput()
for _ in [0] * T:
    N = iinput()
    print(dp[N])