# A089467 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 52
4 478
5 5706
6 83824
7 1461944
8 29510268
9 676549450
10 17361810016
11 492999348348
12 15345359136232
13 519525230896322
14 19005788951346240
15 747102849650454256
16 31404054519248544016
17 1405608808807797838866