# A228858 (b-file synthesized from sequence entry)
1 6
2 12
3 126
4 60
5 240
6 210
7 1080
8 336
9 1260
10 924
11 2016
12 2640
13 7980
14 6930
15 420
16 2520
17 840
18 3696
19 10080
20 5460
21 3360