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A289764 as a simple table

n a(n)
0 1
1 2
2 6
3 13
4 29
5 58
6 122
7 245
8 501
9 1002
10 2026
11 4053
12 8149
13 16298
14 32682
15 65365
16 130901
17 261802
18 523946
19 1047893
20 2096469
21 4192938
22 8387242
23 16774485
24 33551701
25 67103402
26 134212266
27 268424533
28 536859989
29 1073719978
30 2147461802
31 4294923605
32 8589890901

[1,2,6,13,29,58,122,245,501,1002,2026,4053,8149,
 16298,32682,65365,130901,261802,523946,1047893,
 2096469,4192938,8387242,16774485,33551701,
 67103402,134212266,268424533,536859989,1073719978,
 2147461802,4294923605,8589890901]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)