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A129794 as a simple table

n a(n)
1 4
2 8
3 21
4 64
5 204
6 682
7 2340
8 8192
9 29127
10 104857
11 381300
12 1398101
13 5162220
14 19173961
15 71582788
16 268435456
17 1010580540
18 3817748707
19 14467258260
20 54975581388
21 209430786243
22 799644820200
23 3059510616420
24 11728124029610

[4,8,21,64,204,682,2340,8192,29127,104857,381300,
 1398101,5162220,19173961,71582788,268435456,
 1010580540,3817748707,14467258260,54975581388,
 209430786243,799644820200,3059510616420,
 11728124029610]

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