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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 303 |
| 3 | 123123 |
| 4 | 6170617 |
| 5 | 246902469 |
| 6 | 1929001929 |
| 7 | 12345671234567 |
| 8 | 617283906172839 |
| 9 | 123456789123456789 |
| 10 | 123456789101234567891 |
| 11 | 12345678910111234567891011 |
| 12 | 15432098637639015432098637639 |
| 13 | 1234567891011121312345678910111213 |
| 14 | 6172839455055606570617283945505560657 |
[11,303,123123,6170617,246902469,1929001929, 12345671234567,617283906172839,123456789123456789, 123456789101234567891,12345678910111234567891011, 15432098637639015432098637639, 1234567891011121312345678910111213, 6172839455055606570617283945505560657] |