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