# A320350 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 20
4 148
5 1384
6 15728
7 207696
8 3094152
9 51423288
10 945943512
11 19083180192
12 418550811600
13 9907493349168
14 251588827187280
15 6820899616891008
16 196645361557479552
17 6007407711127690752
18 193842462200078260224
19 6586904673329133618432
20 235079477736802622742528
21 8790132360155070084076800