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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 3 |
| 3 | 35 |
| 4 | 357 |
| 5 | 3579 |
| 6 | 357911 |
| 7 | 35791113 |
| 8 | 3579111315 |
| 9 | 357911131517 |
| 10 | 357911131517101 |
| 11 | 35791113151710112 |
| 12 | 3579111315171011223 |
| 13 | 357911131517101122334 |
| 14 | 35791113151710112233445 |
| 15 | 3579111315171011223344556 |
| 16 | 357911131517101122334455667 |
| 17 | 35791113151710112233445566778 |
[0,0,3,35,357,3579,357911,35791113,3579111315, 357911131517,357911131517101,35791113151710112, 3579111315171011223,357911131517101122334, 35791113151710112233445,3579111315171011223344556, 357911131517101122334455667, 35791113151710112233445566778] |