# A009233 (b-file synthesized from sequence entry)
0 1
1 2
2 16
3 246
4 5944
5 202330
6 9099564
7 517447126
8 36048776656
9 3003924569778
10 293835907664980
11 33232296062419630
12 4291773869167401720
13 626311538509296801226
14 102365694283336181089084
15 18595053487766135171539590
16 3729223211361742071603266464