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A138815 as a simple table

n a(n)
1 1
2 2
3 4
4 8
5 16
6 32
7 64
8 128
9 256
10 512
11 1024
12 2048
13 8191
14 16382
15 32764
16 65528
17 131056
18 262112
19 524224
20 1048448
21 2096896
22 4193792
23 8387584
24 16775168 

[1,2,4,8,16,32,64,128,256,512,1024,2048,8191,
 16382,32764,65528,131056,262112,524224,1048448,
 2096896,4193792,8387584,16775168]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)