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 | 5 |
| 3 | 9 |
| 4 | 23 |
| 5 | 31 |
| 6 | 71 |
| 7 | 87 |
| 8 | 173 |
| 9 | 223 |
| 10 | 379 |
| 11 | 471 |
| 12 | 801 |
| 13 | 951 |
| 14 | 1495 |
| 15 | 1851 |
| 16 | 2736 |
| 17 | 3282 |
| 18 | 4832 |
| 19 | 5708 |
| 20 | 8126 |
| 21 | 9704 |
| 22 | 13290 |
| 23 | 15694 |
| 24 | 21496 |
| 25 | 25038 |
| 26 | 33396 |
| 27 | 39330 |
| 28 | 51452 |