# A120597 (b-file synthesized from sequence entry)
0 1
1 2
2 10
3 120
4 1770
5 29208
6 516180
7 9554640
8 182867970
9 3589443160
10 71861735660
11 1461730482160
12 30123451315620
13 627598216410480
14 13197173403868200
15 279728425129963680
16 5970277970921643570
17 128199003794219752920