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 | 71 |
| 2 | 139 |
| 3 | 211 |
| 4 | 281 |
| 5 | 349 |
| 6 | 419 |
| 7 | 421 |
| 8 | 491 |
| 9 | 631 |
| 10 | 701 |
| 11 | 769 |
| 12 | 839 |
| 13 | 911 |
| 14 | 1049 |
| 15 | 1051 |
| 16 | 1259 |
| 17 | 1399 |
| 18 | 1471 |
| 19 | 1609 |
| 20 | 1889 |
| 21 | 2029 |
| 22 | 2099 |
| 23 | 2239 |
| 24 | 2309 |
| 25 | 2311 |
| 26 | 2381 |
| 27 | 2521 |
| 28 | 2591 |
| 29 | 2659 |
| 30 | 2729 |
| 31 | 2731 |
| 32 | 2801 |
| 33 | 2939 |
| 34 | 3011 |
| 35 | 3079 |
| 36 | 3221 |
| 37 | 3359 |
| 38 | 3361 |