# A120591 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 76
4 600
5 5304
6 50232
7 498360
8 5112756
9 53796820
10 577370508
11 6295961100
12 69557631936
13 776913430272
14 8758443555360
15 99527014659360
16 1138832618425272
17 13110313153525272
18 151738042878341400
19 1764609260161776600