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A092920 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 9
5 22
6 58
7 164
8 496
9 1601
10 5502
11 20075
12 77531
13 315947
14 1354279
15 6087421
16 28611385
17 140239297
18 715116827
19 3785445032
20 20760746393
21 117759236340
22 689745339984
23 4165874930885
24 25911148634728
25 165775085602106
26 1089773992530717
27 7353740136527305

[1,1,2,4,9,22,58,164,496,1601,5502,20075,77531,
 315947,1354279,6087421,28611385,140239297,
 715116827,3785445032,20760746393,117759236340,
 689745339984,4165874930885,25911148634728,
 165775085602106,1089773992530717,7353740136527305]

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Last modified April 16 16:01 EDT 2024. Contains 371749 sequences. (Running on oeis4.)