# A308260 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 6
4 10
5 210
6 22
7 30030
8 1870
9 149226
10 3910
11 6469693230
12 11594
13 7420738134810
14 3215630
15 741422598
16 2569288370
17 32589158477190044730
18 28045886
19 117288381359406970983270
20 19644868330
21 4812825965463978
22 23916676633630
23 3217644767340672907899084554130