# A121922 (b-file synthesized from sequence entry)
0 -1
1 1
2 -3
3 -1
4 4
5 -11
6 1
7 -5
8 18
9 -50
10 -1
11 6
12 -27
13 96
14 -274
15 1
16 -7
17 38
18 -168
19 600
20 -1764
21 -1
22 8
23 -51
24 272
25 -1200
26 4320
27 -13068
28 1
29 -9
30 66
31 -414
32 2200
33 -9720
34 35280
35 -109584
36 -1
37 10
38 -83
39 600
40 -3750
41 19920
42 -88200
43 322560
44 -1026576
45 1
46 -11
47 102
48 -836
49 6024
50 -37620
51 199920
52 -887040
53 3265920
54 -10628640