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 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 7 |
| 6 | 10 |
| 7 | 11 |
| 8 | 12 |
| 9 | 13 |
| 10 | 14 |
| 11 | 17 |
| 12 | 22 |
| 13 | 23 |
| 14 | 26 |
| 15 | 29 |
| 16 | 34 |
| 17 | 43 |
| 18 | 47 |
| 19 | 83 |
| 20 | 94 |
| 21 | 131 |
| 22 | 137 |
| 23 | 359 |
| 24 | 431 |
| 25 | 433 |
| 26 | 449 |
| 27 | 509 |
| 28 | 569 |
| 29 | 571 |