View Compilation Error

0_0_16268913_24353.cpp: In function 'int main(int, const char**)':
0_0_16268913_24353.cpp:29:63: error: expected ';' before ')' token
   else cout << (n + n * (n - 1) / 6) * ((n - 2) * (n - 3) / 4)) << endl;
                                                               ^