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 | 7 |
| 3 | 23 |
| 4 | 29 |
| 5 | 73 |
| 6 | 79 |
| 7 | 223 |
| 8 | 233 |
| 9 | 239 |
| 10 | 251 |
| 11 | 269 |
| 12 | 521 |
| 13 | 571 |
| 14 | 733 |
| 15 | 739 |
| 16 | 751 |
| 17 | 769 |
| 18 | 773 |
| 19 | 1259 |
| 20 | 1283 |
| 21 | 1289 |
| 22 | 1759 |
| 23 | 1783 |
| 24 | 1789 |
| 25 | 1823 |
| 26 | 1873 |
| 27 | 2029 |
| 28 | 2039 |
| 29 | 2069 |
| 30 | 2179 |
| 31 | 2203 |
| 32 | 2273 |
| 33 | 2293 |
| 34 | 2309 |
| 35 | 2333 |
| 36 | 2351 |
| 37 | 2371 |
| 38 | 2393 |
| 39 | 2411 |
| 40 | 2459 |
| 41 | 2549 |
| 42 | 2579 |
| 43 | 2591 |
| 44 | 2671 |
| 45 | 2699 |
| 46 | 2711 |
| 47 | 2713 |