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| n | a(n) |
|---|---|
| 1 | 23 |
| 2 | 57 |
| 3 | 127131 |
| 4 | 937941 |
| 5 | 2087320879 |
| 6 | 6557965581 |
| 7 | 925039925051 |
| 8 | 14073611407383 |
| 9 | 89811798981191 |
| 10 | 94647139464723 |
| 11 | 1553629915536303 |
| 12 | 122504623122504633 |
| 13 | 200602291200602313 |
| 14 | 495401873495401911 |
| 15 | 133201458751133201458773 |
[23,57,127131,937941,2087320879,6557965581, 925039925051,14073611407383,89811798981191, 94647139464723,1553629915536303, 122504623122504633,200602291200602313, 495401873495401911,133201458751133201458773] |