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A340921 as a simple table

n a(n)
0 1
1 2
2 4
3 8
4 16
5 36
6 80
7 194
8 506
9 1400
10 4024
11 11870
12 35200
13 104836
14 311686
15 929088
16 2776618
17 8321128
18 24967712
19 74985708 

[1,2,4,8,16,36,80,194,506,1400,4024,11870,35200,
 104836,311686,929088,2776618,8321128,24967712,
 74985708]

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Last modified September 3 20:03 EDT 2024. Contains 375674 sequences. (Running on oeis4.)