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A027104 as a simple table

n a(n)
0 1
1 2
2 6
3 25
4 93
5 357
6 1373
7 5188
8 19456
9 72373
10 267137
11 979762
12 3573058
13 12965292
14 46839228
15 168552205
16 604420933
17 2160638253
18 7701879217
19 27384190634
20 97138835970
21 343846037094
22 1214761031998
23 4283924048755

[1,2,6,25,93,357,1373,5188,19456,72373,267137,
 979762,3573058,12965292,46839228,168552205,
 604420933,2160638253,7701879217,27384190634,
 97138835970,343846037094,1214761031998,
 4283924048755]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)