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 | 7 |
| 3 | 37 |
| 4 | 211 |
| 5 | 271 |
| 6 | 307 |
| 7 | 331 |
| 8 | 337 |
| 9 | 601 |
| 10 | 727 |
| 11 | 1171 |
| 12 | 1237 |
| 13 | 1297 |
| 14 | 1531 |
| 15 | 1657 |
| 16 | 2221 |
| 17 | 2281 |
| 18 | 2557 |
| 19 | 3037 |
| 20 | 3061 |
| 21 | 3067 |
| 22 | 4261 |
| 23 | 4447 |
| 24 | 4801 |
| 25 | 4951 |
| 26 | 5227 |
| 27 | 5581 |
| 28 | 5851 |
| 29 | 6151 |
| 30 | 6361 |
| 31 | 6691 |
| 32 | 6841 |
| 33 | 6967 |
| 34 | 7621 |
| 35 | 7681 |
| 36 | 7687 |
| 37 | 7867 |
| 38 | 8017 |
| 39 | 8167 |
| 40 | 8191 |
| 41 | 8287 |
| 42 | 8521 |
| 43 | 8527 |
| 44 | 8647 |
| 45 | 8941 |