# A207362 (b-file synthesized from sequence entry)
1 2
2 16
3 90
4 784
5 5856
6 42849
7 353808
8 2792241
9 21195317
10 182223001
11 1372615690
12 11550015841
13 91115397450
14 745461286801
15 5965914998428
16 49005684164836
17 389634565985060
18 3219980044337424