# A147400 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 3
7 7
8 15
9 29
10 107
11 505
12 2403
13 11235
14 68883
15 550857
16 5140463
17 52360741
18 625116575
19 9135765233
20 158905603757
21 3203687852735
22 75422308943617