Q = int(input())
N = [int(input()) for _ in range(Q)]

R = [1, 1]
E = [1, 3]
MOD = 998244353
for _ in range(10**5*2):
    R.append((R[-1]+R[-2])%MOD)
    E.append((E[-1]+E[-2])%MOD)

for n in N:
    n -= 1
    print((5*R[n]**2%MOD-E[n]**2%MOD)%MOD)