#include<iostream>
#include<cmath>
# define mod 1000000007
using namespace std;
int main(){
int n;
cin>>n;
for(int i=0;i<n;i++){
int a;
cin>>a;
long long unsigned sum=0;
for(int j=1;j<=a;j++){
if(j%2!=0)
sum=sum+int(pow(26,(j/2)+1))%mod;
else
sum=sum+int(pow(26,(j/2)))%mod;
}
cout<<sum<<endl;
}
return 0;
}
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