const MOD: usize = 998244353;

fn main() {
    let mut t = String::new();
    std::io::stdin().read_line(&mut t).ok();
    let t: usize = t.trim().parse().unwrap();
    
    let mut dp = vec![0usize; 101];
    dp[1] = 2;
    for i in 1..100 {
        dp[i+1] = dp[i] * 2 + dp[i];
        dp[i+1] %= MOD;
    }
    for _ in 0..t {
        let mut n = String::new();
        std::io::stdin().read_line(&mut n).ok();
        let n: usize = n.trim().parse().unwrap();
        println!("{}", dp[n]);
    }
}