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 | 1 |
| 2 | 405 |
| 3 | 525 |
| 4 | 644 |
| 5 | 762 |
| 6 | 882 |
| 7 | 1038 |
| 8 | 1155 |
| 9 | 1302 |
| 10 | 1428 |
| 11 | 1638 |
| 12 | 1863 |
| 13 | 2079 |
| 14 | 2187 |
| 15 | 2457 |
| 16 | 2673 |
| 17 | 3078 |
| 18 | 3213 |
| 19 | 3402 |
| 20 | 3861 |
| 21 | 4374 |
| 22 | 5103 |
| 23 | 5103 |
| 24 | 6174 |