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| n | a(n) |
|---|---|
| 1 | 97 |
| 2 | 971 |
| 3 | 9719 |
| 4 | 971903 |
| 5 | 9719033 |
| 6 | 971903321 |
| 7 | 97190332117 |
| 8 | 971903321177 |
| 9 | 97190332117709 |
| 10 | 971903321177093 |
| 11 | 97190332117709317 |
| 12 | 971903321177093171 |
| 13 | 97190332117709317147 |
| 14 | 9719033211770931714763 |
| 15 | 971903321177093171476321 |
| 16 | 97190332117709317147632157 |
[97,971,9719,971903,9719033,971903321,97190332117, 971903321177,97190332117709,971903321177093, 97190332117709317,971903321177093171, 97190332117709317147,9719033211770931714763, 971903321177093171476321, 97190332117709317147632157] |