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 | 727 |
| 2 | 7507 |
| 3 | 58417 |
| 4 | 164767 |
| 5 | 192697 |
| 6 | 260317 |
| 7 | 362977 |
| 8 | 624847 |
| 9 | 800557 |
| 10 | 838837 |
| 11 | 946417 |
| 12 | 2107447 |
| 13 | 2334187 |
| 14 | 2382607 |
| 15 | 2461717 |
| 16 | 2495947 |
| 17 | 2523517 |
| 18 | 2566027 |
| 19 | 2923747 |
| 20 | 3169237 |
| 21 | 3373177 |
| 22 | 3373687 |
| 23 | 3763717 |
| 24 | 3771907 |
| 25 | 3838897 |
| 26 | 4143637 |
| 27 | 4635277 |
| 28 | 4741837 |
| 29 | 4979047 |
| 30 | 5097247 |