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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 47 |
| 3 | 347 |
| 4 | 12347 |
| 5 | 5012347 |
| 6 | 425012347 |
| 7 | 7425012347 |
| 8 | 1447425012347 |
| 9 | 1891447425012347 |
| 10 | 201891447425012347 |
| 11 | 330201891447425012347 |
| 12 | 36330201891447425012347 |
| 13 | 24736330201891447425012347 |
[7,47,347,12347,5012347,425012347,7425012347, 1447425012347,1891447425012347,201891447425012347, 330201891447425012347,36330201891447425012347, 24736330201891447425012347] |