# A370753 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 36
4 576
5 12800
6 360000
7 12192768
8 481890304
9 21743271936
10 1101996057600
11 61952000000000
12 3824628881965056
13 257164113195565056
14 18704075505689706496
15 1462975070062038220800
16 122444006400000000000000
17 10918111308394619734065152
18 1033255398127440061257744384