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 | 4004 |
| 2 | 630036 |
| 3 | 1559551 |
| 4 | 4187814 |
| 5 | 4870784 |
| 6 | 6097906 |
| 7 | 6834386 |
| 8 | 9530359 |
| 9 | 50755705 |
| 10 | 51733715 |
| 11 | 54988945 |
| 12 | 62399326 |
| 13 | 62488426 |
| 14 | 63299236 |
| 15 | 63477436 |
| 16 | 64288246 |
| 17 | 64377346 |
| 18 | 71399317 |
| 19 | 71488417 |
| 20 | 73199137 |
| 21 | 73466437 |
| 22 | 74188147 |
| 23 | 74366347 |
| 24 | 81299218 |
| 25 | 81477418 |
| 26 | 82199128 |
| 27 | 82466428 |
| 28 | 84177148 |
| 29 | 84266248 |