# A006194 (b-file synthesized from sequence entry)
1 1
2 4
3 19
4 98
5 531
6 2971
7 16997
8 98830
9 581788
10 3458249
11 20718292
12 124929233
13 757421601
14 4613459330
15 28213402944
16 173141766742
17 1065820341078