# A146456 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 3
6 11
7 31
8 113
9 699
10 5221
11 45431
12 522967
13 8016431
14 151899461
15 3697922071
16 116129380717
17 4687373528579
18 240290198107395
19 15846179275453485
20 1336337926181858025