# A033188 (b-file synthesized from sequence entry)
1 0
2 1
3 2
4 6
5 6
6 30
7 150
8 210
9 210
10 210
11 2310
12 2310
13 30030
14 30030
15 30030
16 30030
17 510510
18 510510
19 9699690
20 9699690
21 9699690