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 | 1521 |
| 2 | 1600 |
| 3 | 2401 |
| 4 | 2744 |
| 5 | 6084 |
| 6 | 17689 |
| 7 | 61009 |
| 8 | 244036 |
| 9 | 294849 |
| 10 | 1179396 |
| 11 | 1483524 |
| 12 | 2653641 |
| 13 | 2725801 |
| 14 | 2989441 |
| 15 | 4717584 |
| 16 | 5239521 |
| 17 | 7371225 |
| 18 | 9591409 |
| 19 | 10614564 |
| 20 | 11957764 |
| 21 | 14447601 |
| 22 | 17397241 |
| 23 | 18870336 |
| 24 | 20277009 |
| 25 | 20958084 |
| 26 | 23882769 |
| 27 | 26904969 |
| 28 | 29484900 |
| 29 | 38365636 |
| 30 | 38825361 |