# A141421 (b-file synthesized from sequence entry)
0 1
1 12
2 720
3 60480
4 3628800
5 479001600
6 2615348736000
7 31384184832000
8 32011868528640000
9 51090942171709440000
10 33720021833328230400000
11 9306726025998591590400000
12 50814724101952310083584000000