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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 10 |
| 4 | 136 |
| 5 | 16792 |
| 6 | 481484601 |
| 7 | 5752738775151622145 |
| 8 | 32677165184182243545746422896718822871 |
| 9 | 3003270816051953126782801862429770277283389802341096352218029665206283079575 |
[1,2,10,136,16792,481484601,5752738775151622145, 32677165184182243545746422896718822871, 30032708160519531267828018624297702772833898023410\ 96352218029665206283079575] |