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 | 233347 |
| 2 | 233911 |
| 3 | 239929 |
| 4 | 337397 |
| 5 | 373613 |
| 6 | 379397 |
| 7 | 733331 |
| 8 | 796337 |
| 9 | 1321997 |
| 10 | 1933331 |
| 11 | 2333347 |
| 12 | 2333533 |
| 13 | 2339929 |
| 14 | 2392333 |
| 15 | 2393257 |
| 16 | 2393761 |
| 17 | 2939971 |
| 18 | 3136373 |
| 19 | 3165713 |
| 20 | 3217337 |
| 21 | 3319733 |
| 22 | 3499277 |
| 23 | 3539311 |
| 24 | 3727397 |
| 25 | 3733967 |
| 26 | 3739103 |
| 27 | 3739199 |
| 28 | 3739397 |
| 29 | 3739433 |