# A171200 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 84
4 2312
5 121056
6 12173568
7 2391143424
8 928316362752
9 716762538541056
10 1103851068987015168
11 3395472896229407981568
12 20875407961847891162038272
13 256600638160251032545689337856
14 6307244441266548036155317187248128