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 | 13 |
| 4 | 43 |
| 5 | 97 |
| 6 | 223 |
| 7 | 307 |
| 8 | 337 |
| 9 | 379 |
| 10 | 433 |
| 11 | 457 |
| 12 | 547 |
| 13 | 709 |
| 14 | 727 |
| 15 | 769 |
| 16 | 811 |
| 17 | 919 |
| 18 | 1009 |
| 19 | 1303 |
| 20 | 1597 |
| 21 | 1609 |
| 22 | 1777 |
| 23 | 1861 |
| 24 | 1987 |
| 25 | 2017 |
| 26 | 2029 |
| 27 | 2221 |
| 28 | 2239 |
| 29 | 2269 |
| 30 | 2311 |
| 31 | 2647 |
| 32 | 2689 |
| 33 | 2749 |
| 34 | 2917 |
| 35 | 3037 |
| 36 | 3067 |
| 37 | 3121 |
| 38 | 3169 |
| 39 | 3373 |
| 40 | 3529 |
| 41 | 3541 |
| 42 | 3571 |
| 43 | 3613 |
| 44 | 3967 |
| 45 | 4219 |
| 46 | 4261 |
| 47 | 4327 |
| 48 | 4339 |