#include<stdio.h>

int main() { int t; scanf("%d", &t); while (t--) { int n; scanf("%d", &n); if (n == 1) { printf("1\n"); } else { long long sum = 1; for (int a = 2; a <= n; a++) { long long ans = 1; if (a % 2 == 0) { for (int b = 1; b <= a; b++) { ans *= b; } sum += ans; } else { for (int b = 1; b <= a; b++) { ans *= (-b); } sum += ans; }

} printf("%lld\n", sum); }

} return 0;

}