# A308204 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 12
5 64
6 402
7 2972
8 24884
9 233224
10 2413402
11 27321706
12 335811420
13 4453678055
14 63403359154
15 964550068984
16 15618677100569
17 268256266076840
18 4871672594496080
19 93282009271337370
20 1878417037286803586
21 39686436905680824542
22 877842387051165865980