#include<stdio.h>
int main ()
int n;
scanf("%d", &n);
if (n < 0)
{
    printf("Invalid input");
    return 0;
}
int num = 1;
for (int i = 1; i <= n; i++)
{
    for (int j = 1; j <= i; j++)
    {
        printf("%d ", num);
        num += 2;
    }
    printf("\n");
}
return 0;
}