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 | 15 |
| 2 | 1264 |
| 3 | 24587 |
| 4 | 49534 |
| 5 | 36817 |
| 6 | 40569 |
| 7 | 36570 |
| 8 | 90627 |
| 9 | 89429 |
| 10 | 182457 |
| 11 | 100921 |
| 12 | 179282 |
| 13 | 121279 |
| 14 | 301658 |
| 15 | 206783 |
| 16 | 445549 |
| 17 | 325633 |
| 18 | 652935 |
| 19 | 526099 |
| 20 | 1011751 |
| 21 | 897383 |
| 22 | 1627068 |
| 23 | 1524277 |
| 24 | 2600188 |
| 25 | 2533039 |
| 26 | 4097718 |
| 27 | 4108747 |
| 28 | 6343186 |
| 29 | 6487741 |
| 30 | 9626296 |
| 31 | 9987409 |