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A120274 as a simple table

n a(n)
2 5
3 13
4 29
5 61
6 113
7 251
8 509
9 1021
10 2039
11 4093
12 8179
13 16381
14 32749
15 65521
16 131063
17 262139
18 524269
19 1048573
20 2097143
21 4194301
22 8388593
23 16777213
24 33554393
25 67108859
26 134217689
27 268435399
28 536870909
29 1073741789
30 2147483629

[5,13,29,61,113,251,509,1021,2039,4093,8179,16381,
 32749,65521,131063,262139,524269,1048573,2097143,
 4194301,8388593,16777213,33554393,67108859,
 134217689,268435399,536870909,1073741789,
 2147483629]

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Last modified August 21 13:31 EDT 2018. Contains 313954 sequences. (Running on oeis4.)