This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 172 |
| 3 | 2187 |
| 4 | 27341 |
| 5 | 346028 |
| 6 | 4360887 |
| 7 | 54774178 |
| 8 | 688266175 |
| 9 | 8649330696 |
| 10 | 108663198449 |
| 11 | 1365050486095 |
| 12 | 17148274201252 |
| 13 | 215420739233431 |
| 14 | 2706135761424448 |
| 15 | 33994663679676011 |
| 16 | 427043158643798758 |