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A091916 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 3
5 5
6 9
7 9
8 15
9 27
10 27
11 45
12 81
13 81
14 135
15 243
16 243
17 405
18 729
19 729
20 1215
21 2187
22 2187
23 3645
24 6561
25 6561
26 10935
27 19683
28 19683
29 32805
30 59049
31 59049
32 98415
33 177147
34 177147
35 295245
36 531441
37 531441
38 885735
39 1594323
40 1594323
41 2657205
42 4782969
43 4782969

[1,1,1,3,3,5,9,9,15,27,27,45,81,81,135,243,243,
 405,729,729,1215,2187,2187,3645,6561,6561,10935,
 19683,19683,32805,59049,59049,98415,177147,177147,
 295245,531441,531441,885735,1594323,1594323,
 2657205,4782969,4782969]

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Last modified January 18 14:07 EST 2021. Contains 340254 sequences. (Running on oeis4.)