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| n | a(n) |
|---|---|
| 1 | 161 |
| 2 | 25921 |
| 3 | 1089017 |
| 4 | 77937497 |
| 5 | 5437970705 |
| 6 | 350097798369 |
| 7 | 22315875854161 |
| 8 | 1438362000618041 |
| 9 | 93447573196175553 |
| 10 | 6077295728729067241 |
| 11 | 394563679167565622529 |
| 12 | 25591348028483715850553 |
| 13 | 1659889583215011705715697 |
[161,25921,1089017,77937497,5437970705, 350097798369,22315875854161,1438362000618041, 93447573196175553,6077295728729067241, 394563679167565622529,25591348028483715850553, 1659889583215011705715697] |