def matmul(a, b):
    n = len(a)
    c = [[0] * n for _ in range(n)]

    for i in range(n):
        for j in range(n):
            for k in range(n):
                c[i][j] += a[i][k] * b[k][j]
                c[i][j] %= 998244353
    return c


def matpow(A, k):
    res = [[int(i == j) for j in range(len(A))] for i in range(len(A))]
    p = A
    while k:
        if k & 1:
            res = matmul(res, p)
        p = matmul(p, p)
        k >>= 1
    return res


T = int(input())

for _ in range(T):
    n = int(input())

    state = [1, -1, 2, -2, 4, -4, -8, 1, -1]
    select = [1, -1, 2, -2]

    sz = len(state)
    mat = [[0] * sz for _ in range(sz)]

    for i in range(sz):
        for y in select:
            x = state[i]
            z = x * y

            if z == 8:
                j = 0
            elif z not in state:
                continue
            elif 7 <= i and z == 1:
                j = 7
            elif 7 <= i and z == -1:
                j = 8
            else:
                j = state.index(z)
            mat[i][j] += 1

    """
    for line in mat:
        print(line)
    print("-" * 30)
    """

    res = matpow(mat, n)
    print(res[7][0])