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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 19 |
| 6 | 23 |
| 7 | 29 |
| 8 | 41 |
| 9 | 43 |
| 10 | 47 |
| 11 | 53 |
| 12 | 59 |
| 13 | 61 |
| 14 | 67 |
| 15 | 83 |
| 16 | 89 |
| 17 | 257 |
| 18 | 263 |
| 19 | 269 |
| 20 | 409 |
| 21 | 431 |
| 22 | 487 |
| 23 | 523 |
| 24 | 541 |
| 25 | 827 |
| 26 | 829 |
| 27 | 853 |
| 28 | 859 |
| 29 | 2861 |
| 30 | 4027 |
| 31 | 4801 |
| 32 | 5209 |
| 33 | 5623 |
| 34 | 5849 |