# A116655 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 2
4 12
5 30
6 639
7 1835
8 64601
9 369518
10 12351620
11 78569754
12 5477440592
13 35108337731
14 3031753084624
15 30230571143624
16 3308601182539217
17 33507627807222128
18 5183154493935250901