# A157783 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 3
4 -4
5 1
6 27
7 -39
8 13
9 -1
10 729
11 -1080
12 390
13 -40
14 1
15 59049
16 -88209
17 32670
18 -3630
19 121
20 -1
21 14348907
22 -21493836
23 8027019
24 -914760
25 33033
26 -364
27 1
28 10460353203
29 -15683355351
30 5873190687
31 -674887059
32 24995817
33 -298389
34 1093