# A366232 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 54
4 728
5 13000
6 290352
7 7800016
8 245115264
9 8826560640
10 358463525120
11 16212238054144
12 808215885708288
13 44035925223746560
14 2603618739995621376
15 166031767704180111360
16 11359670347331723952128
17 830065763154102656204800
18 64518486557995327748898816