# A370510 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 25
5 124
6 738
7 5136
8 40922
9 367218
10 3664224
11 40240560
12 482278326
13 6263414736
14 87618506160
15 1313435465280
16 21003904630824
17 356910121855320
18 6422020465846320
19 121980351190294800
20 2438956634267865720
21 51206322309647263200
22 1126314497201852150640