# A168403 (b-file synthesized from sequence entry)
0 1
1 2
2 16
3 504
4 64512
5 33226784
6 68383997952
7 561747553419136
8 18430982918118572032
9 2417076909966155927519744
10 1267505531841541043488055885824
11 2658351411163282144153185664555284480