# A158797 (b-file synthesized from sequence entry)
0 1
1 6
2 42
3 258
4 1770
5 11058
6 74778
7 472866
8 3164874
9 20188050
10 134123514
11 860893314
12 5689339818
13 36681499122
14 241497732570
15 1562031700962
16 10255950073482
17 66489091308114
18 435703293953466
19 2829310581045570