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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 13 |
| 4 | 169 |
| 5 | 5673 |
| 6 | 526443 |
| 7 | 133721189 |
| 8 | 95133854529 |
| 9 | 190409704025737 |
| 10 | 1081810465812816481 |
| 11 | 17533275809917986947451 |
| 12 | 814583187343481957681992873 |
| 13 | 108889213625061640897043875544377 |
| 14 | 42017261328544343771207789776696995237 |
| 15 | 46930798910194830781686389018692804741926963 |
[1,1,3,13,169,5673,526443,133721189,95133854529, 190409704025737,1081810465812816481, 17533275809917986947451, 814583187343481957681992873, 108889213625061640897043875544377, 42017261328544343771207789776696995237, 46930798910194830781686389018692804741926963] |