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A064084 as a simple table

n a(n)
1 1
2 3
3 7
4 15
5 31
6 21
7 127
8 255
9 511
10 93
11 2047
12 105
13 8191
14 381
15 217
16 65535
17 131071
18 1533
19 524287
20 465
21 889
22 6141
23 8388607
24 1785
25 33554431
26 24573
27 134217727
28 1905
29 536870911
30 651
31 2147483647
32 4294967295
33 14329
34 393213
35 3937
36 7665
37 137438953471
38 1572861
39 57337

[1,3,7,15,31,21,127,255,511,93,2047,105,8191,381,
 217,65535,131071,1533,524287,465,889,6141,8388607,
 1785,33554431,24573,134217727,1905,536870911,651,
 2147483647,4294967295,14329,393213,3937,7665,
 137438953471,1572861,57337]

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Last modified July 15 16:36 EDT 2024. Contains 374333 sequences. (Running on oeis4.)