#include<iostream>
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<cmath>
#include<string>
#include<algorithm>
using namespace std;
int a[10010],tt,ans,n;
int main()
{
      scanf("%d",&tt);
      while(tt--)
      {
            ans=0;
            scanf("%d",&n);
            for(int i=1;i<=n;i++)
                  scanf("%d",&a[i]);
            sort(a+1,a+1+n);
            int now=0;
            for(int i=1;i<=n;i++,ans++)
            {
                  if(a[i]<=now) continue;
                  ans+=6*(a[i]-now);
                  ans+=5;
                  now=a[i];
            }
            ans+=now*4;
            printf("%d\n",ans);
      }
      return 0;
}