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A218196 as a simple table

n a(n)
1 1
2 3
3 3
4 7
5 15
6 7
7 15
8 63
9 63
10 15
11 29
12 251
13 507
14 251
15 29
16 57
17 1001
18 4067
19 4067
20 1001
21 57
22 113
23 4001
24 32529
25 65251
26 32529
27 4001
28 113
29 225
30 16001
31 260205
32 1044001
33 1044001
34 260205
35 16001
36 225
37 449
38 63985
39 2081511
40 16703113
41 33407143
42 16703113
43 2081511

[1,3,3,7,15,7,15,63,63,15,29,251,507,251,29,57,
 1001,4067,4067,1001,57,113,4001,32529,65251,32529,
 4001,113,225,16001,260205,1044001,1044001,260205,
 16001,225,449,63985,2081511,16703113,33407143,
 16703113,2081511]

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Last modified January 22 09:39 EST 2022. Contains 350481 sequences. (Running on oeis4.)