# A032081 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 4
5 20
6 220
7 2020
8 26310
9 332410
10 5189380
11 83623310
12 1551800020
13 30389755640
14 659473386920
15 15190156196820
16 379169061066320
17 10036224774532890
18 283940562045261940
19 8488369128461080030