View Code of Problem 2738

#include<iostream>
using namespace std;
int main(){
	long long ans[302];
	ans[1]=3;ans[2]=15;
	long long d=3,d1=5,d2=10;
	for(int i=3;i<302;i++){
		ans[i]=ans[i-1]+d*d2;
		d2+=d1;d1++;d++;
	}
	int t;cin>>t;
	for(int i=1;i<=t;++i){
		int x;cin>>x;
		printf("%d %d %lld\n",i,x,ans[x]);
	}
}