# A318242 (b-file synthesized from sequence entry)
1 1
2 2
3 8
4 15
5 24
6 42
7 240
8 648
9 168
10 480
11 321408
12 4320
13 57120
14 103680
15 1827840
16 23591520
17 898128000
18 374250240