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A137718 as a simple table

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

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

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)