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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 225 |
| 3 | 3565 |
| 4 | 56629 |
| 5 | 900213 |
| 6 | 14309253 |
| 7 | 227451273 |
| 8 | 3615431533 |
| 9 | 57468767413 |
| 10 | 913489632033 |
| 11 | 14520292432269 |
| 12 | 230806004700461 |
| 13 | 3668756125551981 |
| 14 | 58316383606459589 |
| 15 | 926962839870918025 |
| 16 | 14734454596844709749 |
[13,225,3565,56629,900213,14309253,227451273, 3615431533,57468767413,913489632033, 14520292432269,230806004700461,3668756125551981, 58316383606459589,926962839870918025, 14734454596844709749] |