#include <cstdio>
long long a[31][31];
int main()
{
    a[1][1] = 1;
    for (int i = 2; i <= 30; i++)
        for (int j = 1; j <= 30; j++)
            a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
    int x;
    while (~scanf("%d", &x))
    {
        for (int i = 1; i <= x; i++)
            for (int j = 1; j <= i; j++)
                printf("%d%c", a[i][j], " \n"[j == i]);
        putchar('\n');
    }
    return 0;
}