#include using namespace std; using ll = long long; using pii = pair; using pll = pair; using vi = vector; using vl = vector; #define rep3(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define rep2(i, a, b) rep3(i, a, b, 1) #define rep1(i, n) rep2(i, 0, n) #define rep0(n) rep1(aaaaa, n) #define ov4(a, b, c, d, name, ...) name #define rep(...) ov4(__VA_ARGS__, rep3, rep2, rep1, rep0)(__VA_ARGS__) #define per(i, a, b) for (ll i = (a) - 1; i >= (b); i--) #define fore(e, v) for (auto&& e : v) #define all(a) begin(a), end(a) #define sz(a) (int)(size(a)) #define lb(v, x) (lower_bound(all(v), x) - begin(v)) #define eb emplace_back template bool chmin(T& a, const S& b) { return a > b ? a = b, 1 : 0; } template bool chmax(T& a, const S& b) { return a < b ? a = b, 1 : 0; } const int INF = 1e9 + 100; const ll INFL = 3e18 + 100; #define i128 __int128_t struct _ { _() { cin.tie(0)->sync_with_stdio(0), cout.tie(0); } } __; const int MOD=998244353; void solve(); int main(){ int T; cin>>T; rep(T)solve(); } ll modpow(ll a,ll n){ ll ret=1,t=a; while(n>0){ if(n&1)ret=ret*t%MOD; t=t*t%MOD; n/=2; } return ret; } void add(ll &a,ll b){ a=(a+b)%MOD; } using mat8 = array,8>; mat8 matmul(mat8 a,mat8 b){ mat8 ret; rep(i,8)rep(j,8)ret[i][j]=0; rep(k,8){ rep(i,8){ rep(j,8)add(ret[i][j],a[i][k]*b[k][j]); } } return ret; } mat8 matpow(mat8 a,ll n){ mat8 ret,t=a; rep(i,8)rep(j,8)ret[i][j]=(i==j); while(n>0){ if(n&1)ret=matmul(ret,t); t=matmul(t,t); n/=2; } return ret; } void solve(){ ll N; cin>>N; mat8 a; rep(i,8)rep(j,8)a[i][j]= 0; rep(i,6){ rep(j,4){ a[i][(i-i%2+j)]=1; } } a[4][6]=0,a[5][6]=0; a[4][0]=1,a[5][0]=1; a[7]={1,0,0,0,0,0,0,1}; auto ret=matpow(a, N); ll ans=ret[0][0]; add(ans,-modpow(2,N-1)); add(ans,MOD); cout<