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A188538 as a simple table

n a(n)
0 1
1 2
2 2
3 4
4 6
5 12
6 23
7 46
8 90
9 174
10 330
11 616
12 1133
13 2058
14 3698
15 6584
16 11630
17 20404
18 35587
19 61750
20 106666
21 183522
22 314642
23 537744
24 916441
25 1557842
26 2642018
27 4471276
28 7552470
29 12734364
30 21436655
31 36031486
32 60478458
33 101380758
34 169740378
35 283873144
36 474246725

[1,2,2,4,6,12,23,46,90,174,330,616,1133,2058,3698,
 6584,11630,20404,35587,61750,106666,183522,314642,
 537744,916441,1557842,2642018,4471276,7552470,
 12734364,21436655,36031486,60478458,101380758,
 169740378,283873144,474246725]

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Last modified May 16 19:46 EDT 2021. Contains 343951 sequences. (Running on oeis4.)