# A083161 (b-file synthesized from sequence entry)
1 1
2 6
3 41
4 308
5 2465
6 20542
7 176075
8 1540657
9 13694729
10 1232525611
11 11204778282
12 1027104675851
13 9480966238625
14 880375436443751
15 8216837406808343
16 77032850688828216
17 725015065306618504
18 68473645056736192045