# A219561 (b-file synthesized from sequence entry)
0 1
1 15
2 457
3 14595
4 407287
5 10200931
6 233051939
7 4909342744
8 96272310302
9 1771597038279
10 30795582025352
11 508466832109216
12 8011287089600483
13 120926718707154007
14 1754672912487450236
15 24547188914867491083
16 331937179344717327559
17 4348524173437743243649
18 55300773426746984710983