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| 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] |