# A335069 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 30
5 210
6 2310
7 30030
8 120120
9 690690
10 1021020
11 2042040
12 4084080
13 9699690
14 58198140
15 96996900
16 106696590
17 223092870
18 892371480
19 6469693230
20 6915878970
21 19409079690
22 32348466150
23 71166625530
24 200560490130
25 7420738134810
26 8624101075590