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 | 13 |
| 2 | 29 |
| 3 | 31 |
| 4 | 347 |
| 5 | 367 |
| 6 | 431 |
| 7 | 487 |
| 8 | 491 |
| 9 | 557 |
| 10 | 601 |
| 11 | 787 |
| 12 | 823 |
| 13 | 883 |
| 14 | 1117 |
| 15 | 1327 |
| 16 | 1741 |
| 17 | 1789 |
| 18 | 1973 |
| 19 | 2269 |
| 20 | 2447 |
| 21 | 2473 |
| 22 | 2621 |
| 23 | 2657 |
| 24 | 2801 |
| 25 | 3049 |
| 26 | 3079 |
| 27 | 3203 |
| 28 | 3469 |
| 29 | 3539 |
| 30 | 3559 |
| 31 | 3821 |
| 32 | 4019 |
| 33 | 4051 |
| 34 | 4229 |
| 35 | 4549 |
| 36 | 5081 |
| 37 | 5297 |
| 38 | 5393 |
| 39 | 5569 |
| 40 | 5651 |
| 41 | 5689 |
| 42 | 5821 |
| 43 | 5987 |