# A187121 (b-file synthesized from sequence entry)
3 1
4 6
5 42
6 377
7 4248
8 58269
9 947117
10 17848872
11 383237040
12 9243654925
13 247586590398
14 7293962774574
15 234458181733224
16 8167132024738422
17 306500617604837898
18 12329458457556027538
19 529269910501209999900