# A073343 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 6
5 33
6 75
7 877
8 2075
9 38692
10 239794
11 1250340
12 18495201
13 43023264
14 4554211553
15 70490483945
16 911526001064
17 182477118528
18 219638126087356
19 13070186026272
20 79249480638985626