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 | 1 |
| 2 | 10 |
| 3 | 107 |
| 4 | 1080 |
| 5 | 10864 |
| 6 | 109053 |
| 7 | 1093474 |
| 8 | 10956790 |
| 9 | 109739369 |
| 10 | 1098765432 |
| 11 | 100998877665 |
| 12 | 10092582304526 |
| 13 | 1009316229819563 |
| 14 | 100937222213403880 |
| 15 | 10094208074065843621 |
| 16 | 1009463320069436728395 |
| 17 | 100950083124771234567901 |
| 18 | 10095341745173395054869684 |