hdu 2050

PS：真是醉了..之前觉得这题很难..然后在网上找到了大神给的深入解析,跪谢...这里贴大神博客的网址:http://blog.csdn.net/lishuhuakai/article/details/8518245

#include "stdio.h"
int main(){
	int i,s,n;
	scanf("%d",&s);
	for(i=0;i<s;i++){
		scanf("%d",&n);
		printf("%d\n",2*n*n-n+1);
	}
	return 0;
}