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A173197 as a simple table

n a(n)
0 1
1 1
2 4
3 2
4 6
5 6
6 14
7 22
8 46
9 86
10 174
11 342
12 686
13 1366
14 2734
15 5462
16 10926
17 21846
18 43694
19 87382
20 174766
21 349526
22 699054
23 1398102
24 2796206
25 5592406
26 11184814
27 22369622
28 44739246
29 89478486
30 178956974
31 357913942
32 715827886
33 1431655766
34 2863311534
35 5726623062
36 11453246126
37 22906492246
38 45812984494
39 91625968982
40 183251937966
41 366503875926
42 733007751854

[1,1,4,2,6,6,14,22,46,86,174,342,686,1366,2734,
 5462,10926,21846,43694,87382,174766,349526,699054,
 1398102,2796206,5592406,11184814,22369622,
 44739246,89478486,178956974,357913942,715827886,
 1431655766,2863311534,5726623062,11453246126,
 22906492246,45812984494,91625968982,183251937966,
 366503875926,733007751854]

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Last modified March 19 06:29 EDT 2024. Contains 370953 sequences. (Running on oeis4.)