# A067621 (b-file synthesized from sequence entry)
0 0
1 1
2 19
3 799
4 57527
5 6327971
6 39486539
7 207304329751
8 4337444437867
9 19284277970756683
10 8099396747717806859
11 819658950869042054131
12 2458976852607126162392999
13 1726201750530202565999885299