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) |
|---|---|
| 0 | 11 |
| 1 | 103 |
| 2 | 1019 |
| 3 | 10087 |
| 4 | 99851 |
| 5 | 988423 |
| 6 | 9784379 |
| 7 | 96855367 |
| 8 | 958769291 |
| 9 | 9490837543 |
| 10 | 93949606139 |
| 11 | 930005223847 |
| 12 | 9206102632331 |
| 13 | 91131021099463 |
| 14 | 902104108362299 |
| 15 | 8929910062523527 |
| 16 | 88396996516872971 |
| 17 | 875040055106206183 |
| 18 | 8662003554545188859 |
| 19 | 85744995490345682407 |