import sys
input = sys.stdin.readline
MOD = 998244353
Q = int(input())
N = [int(input()) for _ in range(Q)]
R = [1, 1]
E = [1, 3]
for i in range(2, 2*10**5):
    R.append((R[-2]+R[-1])%MOD)
    E.append((E[-2]+E[-1])%MOD)
for n in N:
    n-=1
    ans = 5*R[n]**2%MOD-E[n]**2%MOD
    print(ans%MOD)