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 | 23 |
| 2 | 47 |
| 3 | 719 |
| 4 | 1439 |
| 5 | 2879 |
| 6 | 4079 |
| 7 | 9839 |
| 8 | 11279 |
| 9 | 21599 |
| 10 | 28319 |
| 11 | 51599 |
| 12 | 84719 |
| 13 | 92399 |
| 14 | 95279 |
| 15 | 96959 |
| 16 | 137279 |
| 17 | 157679 |
| 18 | 159119 |
| 19 | 178799 |
| 20 | 209519 |
| 21 | 219839 |
| 22 | 243119 |
| 23 | 349199 |
| 24 | 429119 |
| 25 | 430799 |
| 26 | 441839 |
| 27 | 462719 |
| 28 | 481199 |
| 29 | 491279 |
| 30 | 507359 |
| 31 | 533999 |
| 32 | 571199 |
| 33 | 597599 |