# A370608 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 10
5 25
6 156
7 721
8 5356
9 40881
10 366850
11 3628801
12 40048086
13 479001601
14 6228391456
15 87184121025
16 1307724593176
17 20922789888001
18 355689166978146
19 6402373705728001
20 121645161595446490
21 2432902128489747201
22 51090943465394571376
23 1124000727777607680001