# A326863 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 12
4 48
5 288
6 2016
7 14112
8 112896
9 1096704
10 12063744
11 135894528
12 1630734336
13 22157549568
14 331366920192
15 5107664314368
16 82057393668096
17 1436821272133632
18 27168078863794176
19 528845513033908224
20 10627947138360803328
21 228216184936879620096
22 5219125284175176794112