# A153922 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 3
4 4
5 8
6 13
7 36
8 59
9 160
10 431
11 1207
12 3281
13 14493
14 40909
15 190825
16 830228
17 4020596
18 18120315
19 138139135
20 645018986
21 5068850751
22 37171002203
23 301985114648
24 2294433300268
25 29211683338424
26 229716243590382