# A125330 (b-file synthesized from sequence entry)
0 1
1 20
2 128
3 656
4 3928
5 23840
6 148304
7 934968
8 5958552
9 38285216
10 247607348
11 1609914524
12 10513615792
13 68913452056
14 453123210178
15 2987405569166
16 19741419610536
17 130718419293680
18 867078544410362
19 5760352822741182