# A351514 (b-file synthesized from sequence entry)
2 1
3 12
4 136
5 1650
6 21904
7 318521
8 5051988
9 86910426
10 1612648066
11 32107793135
12 682724688430
13 15439016490989
14 369914992674530
15 9359103270641290
16 249292192469843244
17 6971850327184526783
18 204215496402215939638
19 6251233458455082035922