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 | 4 |
| 2 | 6 |
| 3 | 8 |
| 4 | 9 |
| 5 | 333 |
| 6 | 646 |
| 7 | 656 |
| 8 | 979 |
| 9 | 1001 |
| 10 | 3553 |
| 11 | 10801 |
| 12 | 11111 |
| 13 | 18581 |
| 14 | 31713 |
| 15 | 34943 |
| 16 | 48484 |
| 17 | 57375 |
| 18 | 95259 |
| 19 | 99099 |
| 20 | 158851 |
| 21 | 262262 |
| 22 | 569965 |
| 23 | 1173711 |
| 24 | 1216121 |
| 25 | 1399931 |
| 26 | 1439341 |
| 27 | 1502051 |
| 28 | 1925291 |
| 29 | 3203023 |
| 30 | 3436343 |
| 31 | 3659563 |
| 32 | 3662663 |
| 33 | 3803083 |
| 34 | 3888883 |
| 35 | 5185815 |
| 36 | 5352535 |
| 37 | 5893985 |
| 38 | 5990995 |
| 39 | 6902096 |
| 40 | 9341439 |
| 41 | 9452549 |