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A130581 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 5
5 9
6 18
7 40
8 98
9 263
10 769
11 2439
12 8357
13 30808
14 121677
15 512654
16 2294579
17 10867855
18 54272617
19 284831748
20 1566303877
21 9000703543
22 53917955406
23 335961295910
24 2173069940120
25 14564444009958
26 100977717043569

[1,1,2,3,5,9,18,40,98,263,769,2439,8357,30808,
 121677,512654,2294579,10867855,54272617,284831748,
 1566303877,9000703543,53917955406,335961295910,
 2173069940120,14564444009958,100977717043569]

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Last modified September 1 10:29 EDT 2024. Contains 375584 sequences. (Running on oeis4.)