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A149039 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 35
5 137
6 548
7 2252
8 9592
9 41450
10 181418
11 806184
12 3618645
13 16367203
14 74623914
15 342518519
16 1580323410
17 7327815923
18 34132414535
19 159587586198
20 748738458137
21 3524160636790
22 16634525981970
23 78718613038091
24 373406711537338
25 1775139491521145
26 8455617011579985
27 40351713098854554

[1,1,3,10,35,137,548,2252,9592,41450,181418,
 806184,3618645,16367203,74623914,342518519,
 1580323410,7327815923,34132414535,159587586198,
 748738458137,3524160636790,16634525981970,
 78718613038091,373406711537338,1775139491521145,
 8455617011579985,40351713098854554]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)