# A211195 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 32
4 240
5 2232
6 24080
7 290048
8 3809088
9 53691840
10 803569184
11 12670027776
12 209244552192
13 3603569846912
14 64493380379520
15 1196207964360704
16 22942371004144640
17 454160262238341120
18 9265017815023565312
19 194524772488764702720
20 4198521645139971459072