# A216966 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 297
4 24273
5 3976209
6 1145032281
7 530050022073
8 369626762653857
9 369614778179835681
10 509880429246329788329
11 940535818601273787325257
12 2261104378216803649437779313
13 6933711495845384616312688513329
14 26630255658298074277771723491847161