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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 15 |
| 3 | 575 |
| 4 | 28759 |
| 5 | 26454859 |
| 6 | 35854425017 |
| 7 | 141598322427 |
| 8 | 202722577403 |
| 9 | 268886532360 |
| 10 | 368281696992 |
| 11 | 30673807196825 |
| 12 | 41421738942001 |
| 13 | 27387367221555400009 |
| 14 | 52463436368091151621247 |
| 15 | 537254461576263093929443 |
| 16 | 694031308197592491309539 |
| 17 | 438654832611953615609279 |
[1,15,575,28759,26454859,35854425017,141598322427, 202722577403,268886532360,368281696992, 30673807196825,41421738942001, 27387367221555400009,52463436368091151621247, 537254461576263093929443,694031308197592491309539, 438654832611953615609279] |