# A132626 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 14
4 336
5 25836
6 6251504
7 4838830976
8 12344615283200
9 106978340796778976
10 3229124399759665954432
11 346176173916459184212747520
12 133788163509847808639178273046528