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A085940 as a simple table

n a(n)
0 1
1 2
2 4
3 8
4 16
5 32
6 64
7 128
8 256
9 512
10 2
11 6
12 18
13 54
14 162
15 486
16 1458
17 4374
18 13122
19 39366
20 4 

[1,2,4,8,16,32,64,128,256,512,2,6,18,54,162,486,
 1458,4374,13122,39366,4]

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Last modified April 19 09:22 EDT 2024. Contains 371782 sequences. (Running on oeis4.)