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A289926 as a simple table

n a(n)
0 2
1 13
2 71
3 376
4 1991
5 10564
6 56051
7 297384
8 1577797
9 8371133
10 44413759
11 235640987
12 1250213362
13 6633113651
14 35192550325
15 186717077925
16 990643385291
17 5255942989944
18 27885853904294
19 147950776760552
20 784965467407868
21 4164701250741605
22 22096177765889378

[2,13,71,376,1991,10564,56051,297384,1577797,
 8371133,44413759,235640987,1250213362,6633113651,
 35192550325,186717077925,990643385291,
 5255942989944,27885853904294,147950776760552,
 784965467407868,4164701250741605,
 22096177765889378]

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Last modified May 4 02:59 EDT 2024. Contains 372225 sequences. (Running on oeis4.)