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 | 24 |
| 2 | 274 |
| 3 | 1624 |
| 4 | 6769 |
| 5 | 22449 |
| 6 | 63273 |
| 7 | 157773 |
| 8 | 357423 |
| 9 | 749463 |
| 10 | 1474473 |
| 11 | 2749747 |
| 12 | 4899622 |
| 13 | 8394022 |
| 14 | 13896582 |
| 15 | 22323822 |
| 16 | 34916946 |
| 17 | 53327946 |
| 18 | 79721796 |
| 19 | 116896626 |
| 20 | 168423871 |
| 21 | 238810495 |
| 22 | 333685495 |
| 23 | 460012995 |
| 24 | 626334345 |
| 25 | 843041745 |
| 26 | 1122686019 |
| 27 | 1480321269 |
| 28 | 1933889244 |