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A049956 as a simple table

n a(n)
1 1
2 2
3 3
4 7
5 16
6 30
7 62
8 137
9 320
10 579
11 1160
12 2333
13 4712
14 9682
15 20204
16 43960
17 103412
18 186621
19 373244
20 746501
21 1493048
22 2986354
23 5973548
24 11950648
25 23916788
26 47916784
27 96103400
28 193326604
29 391133708
30 800210656
31 1672607924

[1,2,3,7,16,30,62,137,320,579,1160,2333,4712,9682,
 20204,43960,103412,186621,373244,746501,1493048,
 2986354,5973548,11950648,23916788,47916784,
 96103400,193326604,391133708,800210656,1672607924]

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Last modified October 21 07:53 EDT 2021. Contains 348150 sequences. (Running on oeis4.)