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A052531 as a simple table

n a(n)
0 2
1 2
2 5
3 8
4 17
5 32
6 65
7 128
8 257
9 512
10 1025
11 2048
12 4097
13 8192
14 16385
15 32768
16 65537
17 131072
18 262145
19 524288
20 1048577
21 2097152
22 4194305
23 8388608
24 16777217
25 33554432
26 67108865
27 134217728
28 268435457
29 536870912
30 1073741825
31 2147483648

[2,2,5,8,17,32,65,128,257,512,1025,2048,4097,8192,
 16385,32768,65537,131072,262145,524288,1048577,
 2097152,4194305,8388608,16777217,33554432,
 67108865,134217728,268435457,536870912,1073741825,
 2147483648]

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Last modified May 27 21:52 EDT 2020. Contains 334671 sequences. (Running on oeis4.)