const int N = 15;

int main()
{
    
    register int k, n;

    
    unsigned long long int num, den;

    
    int catalan;

    
    printf();

    
    for (n=2; n<=N; ++n) {
        
        num = den = 1;
        
        for (k=2; k<=n; ++k) {
            num *= (n+k);
            den *= k;
            catalan = num /den;
        }

        
        printf(, catalan);
    }

    
    printf();
    return 0;
}