# A335692 (b-file synthesized from sequence entry)
0 1
1 -1
2 2
3 0
4 72
5 1560
6 59760
7 2983680
8 194382720
9 15959099520
10 1613411654400
11 196978231296000
12 28577836603008000
13 4860382977536486400
14 957836230033255372800
15 216533832180149772288000
16 55662541733368168574976000
17 16145371763295690081374208000