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A049868 as a simple table

n a(n)
0 1
1 2
2 2
3 4
4 7
5 14
6 26
7 49
8 91
9 170
10 317
11 592
12 1105
13 2063
14 3851
15 7189
16 13420
17 25052
18 46766
19 87301
20 162970
21 304226
22 567917
23 1060165
24 1979074
25 3694457
26 6896666
27 12874423
28 24033463
29 44864717
30 83751677
31 156344314
32 291857374

[1,2,2,4,7,14,26,49,91,170,317,592,1105,2063,3851,
 7189,13420,25052,46766,87301,162970,304226,567917,
 1060165,1979074,3694457,6896666,12874423,24033463,
 44864717,83751677,156344314,291857374]

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Last modified April 21 10:04 EDT 2024. Contains 371852 sequences. (Running on oeis4.)