# A213867 (b-file synthesized from sequence entry)
0 1
1 1
2 561
3 2914395
4 54862627919
5 2468722942369153
6 211109968702038259993
7 29745278219128813035415595
8 6273648300104128965616586081511
9 1850042480471503379038420801262526759
10 725168149513389307543056971716033431701831