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A225855 as a simple table

n a(n)
1 -1
2 -1
3 3
4 -1
5 5
6 9
7 -7
8 -1
9 27
10 25
11 11
12 162
13 13
14 49
15 521
16 -1
17 697
18 2196
19 19
20 625
21 8435
22 121
23 -23
24 59049
25 3120
26 169
27 177147
28 2401
29 29
30 982635
31 -237367
32 -1
33 3958307
34 781745
35 121691
36 28697814
37 37
38 361
39 89405461
40 1953125

[-1,-1,3,-1,5,9,-7,-1,27,25,11,162,13,49,521,-1,
 697,2196,19,625,8435,121,-23,59049,3120,169,
 177147,2401,29,982635,-237367,-1,3958307,781745,
 121691,28697814,37,361,89405461,1953125]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)