# A171779 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 38
4 693
5 21294
6 1011792
7 69920766
8 6710698740
9 862907887944
10 144436271624388
11 30735209866458888
12 8152133649148990080
13 2650418681465362135392
14 1041182371767985227729504