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 | 359 |
| 2 | 719 |
| 3 | 5399 |
| 4 | 7079 |
| 5 | 24239 |
| 6 | 34319 |
| 7 | 54959 |
| 8 | 107279 |
| 9 | 115679 |
| 10 | 126839 |
| 11 | 142799 |
| 12 | 149399 |
| 13 | 164999 |
| 14 | 175079 |
| 15 | 202799 |
| 16 | 214559 |
| 17 | 215399 |
| 18 | 225839 |
| 19 | 244199 |
| 20 | 245639 |
| 21 | 253679 |
| 22 | 254279 |
| 23 | 266999 |
| 24 | 278879 |
| 25 | 333479 |
| 26 | 335519 |
| 27 | 459479 |
| 28 | 507359 |
| 29 | 508559 |