# A011806 (b-file synthesized from sequence entry)
0 2
1 11
2 176
3 6743
4 562727
5 95264798
6 30636553704
7 17675571563918
8 17429225215357484
9 28199043639169683222
10 72319533139138698523941
11 285428460453153302654918919
12 1689512010464368927544841098844