# A182212 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 8
5 24
6 90
7 387
8 1920
9 10672
10 65978
11 448503
12 3326400
13 26725411
14 231242151
15 2143728472
16 21198368680
17 222722246772
18 2477698802526
19 29094738198716
20 359630747697951
21 4667544506825273
22 63463425429259086
23 902118740233973431
24 13380961044971520000