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 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 13 |
| 5 | 20 |
| 6 | 25 |
| 7 | 51 |
| 8 | 97 |
| 9 | 101 |
| 10 | 241 |
| 11 | 266 |
| 12 | 521 |
| 13 | 1279 |
| 14 | 1750 |
| 15 | 2204 |
| 16 | 2473 |
| 17 | 4193 |
| 18 | 5181 |
| 19 | 10080 |