# A127511 (b-file synthesized from sequence entry)
1 1
2 -2
3 -4
4 0
5 -16
6 32
7 -64
8 0
9 0
10 512
11 -1024
12 0
13 -4096
14 8192
15 16384
16 0
17 -65536
18 0
19 -262144
20 0
21 1048576
22 2097152
23 -4194304
24 0
25 0
26 33554432
27 0
28 0
29 -268435456
30 -536870912
31 -1073741824
32 0
33 4294967296
34 8589934592
35 17179869184
36 0
37 -68719476736
38 137438953472
39 274877906944
40 0
41 -1099511627776