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A005985 as a simple table

n a(n)
0 0
1 1
2 4
3 9
4 32
5 65
6 192
7 385
8 1024
9 2049
10 5120
11 10241
12 24576
13 49153
14 114688
15 229377
16 524288
17 1048577
18 2359296
19 4718593
20 10485760
21 20971521
22 46137344
23 92274689
24 201326592
25 402653185
26 872415232
27 1744830465
28 3758096384
29 7516192769
30 16106127360
31 32212254721

[0,1,4,9,32,65,192,385,1024,2049,5120,10241,24576,
 49153,114688,229377,524288,1048577,2359296,
 4718593,10485760,20971521,46137344,92274689,
 201326592,402653185,872415232,1744830465,
 3758096384,7516192769,16106127360,32212254721]

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Last modified April 24 08:09 EDT 2024. Contains 371922 sequences. (Running on oeis4.)