# A026867 (b-file synthesized from sequence entry)
2 1
3 8
4 46
5 234
6 1124
7 5241
8 24050
9 109429
10 495884
11 2244060
12 10158768
13 46055322
14 209247370
15 953184750
16 4354605139
17 19954396521
18 91721631238
19 422908476612
20 1955876264342
21 9072401893299
22 42203220058991
23 196862017041783
24 920700735516741