# A168296 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 2
5 18
6 18
7 6
8 156
9 432
10 288
11 24
12 792
13 7416
14 13248
15 6624
16 120
17 -11280
18 64800
19 374400
20 496800
21 198720
22 720
23 -62640
24 -1254960
25 4968000
26 20865600
27 22057920
28 7352640
29 5040
30 24012000
31 -11854080
32 -125677440
33 389491200
34 1288103040