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 | 5 |
| 4 | 9 |
| 5 | 53 |
| 6 | 97 |
| 7 | 233 |
| 8 | 277 |
| 9 | 367 |
| 10 | 389 |
| 11 | 457 |
| 12 | 479 |
| 13 | 547 |
| 14 | 569 |
| 15 | 613 |
| 16 | 659 |
| 17 | 727 |
| 18 | 839 |
| 19 | 883 |
| 20 | 929 |
| 21 | 1021 |
| 22 | 1087 |
| 23 | 1109 |
| 24 | 1223 |
| 25 | 1289 |
| 26 | 1447 |
| 27 | 1559 |
| 28 | 1627 |
| 29 | 1693 |
| 30 | 1783 |
| 31 | 1873 |
| 32 | 2099 |
| 33 | 2213 |
| 34 | 2347 |
| 35 | 2437 |
| 36 | 2459 |
| 37 | 2503 |
| 38 | 2549 |
| 39 | 2593 |
| 40 | 2617 |
| 41 | 2683 |
| 42 | 2729 |
| 43 | 2819 |
| 44 | 2953 |
| 45 | 3023 |
| 46 | 3067 |
| 47 | 3089 |
| 48 | 3313 |
| 49 | 3359 |