#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001


int main(){
	
	vector<mint> R(300005),E(300005);
	R[1] = 1;
	R[2] = 1;
	E[1] = 1;
	E[2] = 3;
	for(int i=3;i<R.size();i++){
		R[i] = R[i-1] + R[i-2];
		E[i] = E[i-1] + E[i-2];
	}
	int q;
	cin>>q;
	rep(_,q){
		int n;
		cin>>n;
		
		mint ans = R[n] * R[n];
		ans *= 5;
		ans -= E[n] * E[n];
		cout<<ans.val()<<endl;
	}
	return 0;
}