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A195278 as a simple table

n a(n)
1 1
2 1
3 9
4 1
5 25
6 171
7 1
8 49
9 2125
10 6939
11 1
12 81
13 11319
14 626525
15 609309
16 1
17 121
18 39609
19 12608631
20 649112125
21 116330103
22 1
23 169
24 107811
25 119743353
26 68604760497
27 2375645170875
28 48439766655
29 1
30 225
31 248261
32 724789395
33 2266745635377

[1,1,9,1,25,171,1,49,2125,6939,1,81,11319,626525,
 609309,1,121,39609,12608631,649112125,116330103,1,
 169,107811,119743353,68604760497,2375645170875,
 48439766655,1,225,248261,724789395,2266745635377]

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Last modified August 13 11:30 EDT 2022. Contains 356091 sequences. (Running on oeis4.)