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A009116 as a simple table

n a(n)
0 1
1 -1
2 0
3 2
4 -4
5 4
6 0
7 -8
8 16
9 -16
10 0
11 32
12 -64
13 64
14 0
15 -128
16 256
17 -256
18 0
19 512
20 -1024
21 1024
22 0
23 -2048
24 4096
25 -4096
26 0
27 8192
28 -16384
29 16384
30 0
31 -32768
32 65536
33 -65536
34 0
35 131072
36 -262144
37 262144
38 0
39 -524288
40 1048576
41 -1048576
42 0
43 2097152
44 -4194304

[1,-1,0,2,-4,4,0,-8,16,-16,0,32,-64,64,0,-128,256,
 -256,0,512,-1024,1024,0,-2048,4096,-4096,0,8192,
 -16384,16384,0,-32768,65536,-65536,0,131072,
 -262144,262144,0,-524288,1048576,-1048576,0,
 2097152,-4194304]

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Last modified April 23 05:34 EDT 2021. Contains 343199 sequences. (Running on oeis4.)