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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 24 |
| 3 | 246 |
| 4 | 2468 |
| 5 | 24690 |
| 6 | 246912 |
| 7 | 2469134 |
| 8 | 24691356 |
| 9 | 246913578 |
| 10 | 2469135800 |
| 11 | 24691358022 |
| 12 | 246913580244 |
| 13 | 2469135802466 |
| 14 | 24691358024688 |
| 15 | 246913580246910 |
| 16 | 2469135802469132 |
| 17 | 24691358024691354 |
| 18 | 246913580246913576 |
| 19 | 2469135802469135798 |
| 20 | 24691358024691358020 |
[2,24,246,2468,24690,246912,2469134,24691356, 246913578,2469135800,24691358022,246913580244, 2469135802466,24691358024688,246913580246910, 2469135802469132,24691358024691354, 246913580246913576,2469135802469135798, 24691358024691358020] |