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A290418 as a simple table

n a(n)
0 1
1 1
2 3
3 3
4 7
5 5
6 15
7 15
8 31
9 23
10 63
11 59
12 127
13 85
14 255
15 255
16 511
17 383
18 1023
19 959
20 2047
21 1375
22 4095
23 4079
24 8191
25 6103
26 16383
27 15291
28 32767
29 21845
30 65535
31 65535
32 131071
33 98303
34 262143
35 245759
36 524287
37 352255
38 1048575
39 1044479
40 2097151
41 1562623
42 4194303

[1,1,3,3,7,5,15,15,31,23,63,59,127,85,255,255,511,
 383,1023,959,2047,1375,4095,4079,8191,6103,16383,
 15291,32767,21845,65535,65535,131071,98303,262143,
 245759,524287,352255,1048575,1044479,2097151,
 1562623,4194303]

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Last modified June 1 11:15 EDT 2024. Contains 373016 sequences. (Running on oeis4.)