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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 173 |
| 3 | 11731 |
| 4 | 2117317 |
| 5 | 421173173 |
| 6 | 34211731733 |
| 7 | 1342117317337 |
| 8 | 813421173173377 |
| 9 | 28134211731733771 |
| 10 | 4281342117317337713 |
| 11 | 142813421173173377131 |
| 12 | 21428134211731733771317 |
| 13 | 2214281342117317337713171 |
| 14 | 2022142813421173173377131711 |
| 15 | 1120221428134211731733771317111 |
[7,173,11731,2117317,421173173,34211731733, 1342117317337,813421173173377,28134211731733771, 4281342117317337713,142813421173173377131, 21428134211731733771317,2214281342117317337713171, 2022142813421173173377131711, 1120221428134211731733771317111] |