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A162725 as a simple table

n a(n)
0 1
1 1
2 2
3 9
4 46
5 221
6 1002
7 4369
8 18566
9 77541
10 320002
11 1309529
12 5326686
13 21572461
14 87087002
15 350739489
16 1410132406
17 5662052981
18 22712782002
19 91044838249
20 364760483726
21 1460785327101
22 5848371485002
23 23409176469809
24 93683777468646

[1,1,2,9,46,221,1002,4369,18566,77541,320002,
 1309529,5326686,21572461,87087002,350739489,
 1410132406,5662052981,22712782002,91044838249,
 364760483726,1460785327101,5848371485002,
 23409176469809,93683777468646]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)