# A137470 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 3
4 -1
5 -1
6 7
7 -9
8 7
9 7
10 -25
11 39
12 -25
13 -25
14 103
15 -153
16 103
17 103
18 -409
19 615
20 -409
21 -409
22 1639
23 -2457
24 1639
25 1639
26 -6553
27 9831
28 -6553
29 -6553
30 26215
31 -39321
32 26215
33 26215
34 -104857
35 157287
36 -104857
37 -104857
38 419431