# A359960 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 30
4 210
5 2310
6 30030
7 690690
8 14804790
9 223092870
10 8254436190
11 200560490130
12 8222980095330
13 304250263527210
14 13082761331670030
15 614889782588491410
16 32589158477190044730
17 1987938667108592728530
18 117288381359406970983270
19 7858321551080267055879090