# A197458 (b-file synthesized from sequence entry)
0 1
1 2
2 16
3 265
4 7343
5 304186
6 17525812
7 1336221251
8 129980132305
9 15686404067098
10 2297230134084416
11 400977650310256537
12 82188611938415464231
13 19536244019455339261970
14 5328019975275896220786388
15 1651867356348327784988233291
16 577522171260292028520919811777