# A083943 (b-file synthesized from sequence entry)
0 0
1 1
2 -1
3 -1
4 -5
5 -9
6 -21
7 -41
8 -85
9 -169
10 -341
11 -681
12 -1365
13 -2729
14 -5461
15 -10921
16 -21845
17 -43689
18 -87381
19 -174761
20 -349525
21 -699049
22 -1398101
23 -2796201
24 -5592405
25 -11184809
26 -22369621
27 -44739241
28 -89478485
29 -178956969
30 -357913941
31 -715827881
32 -1431655765