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 | 4 |
| 2 | 9 |
| 3 | 25 |
| 4 | 49 |
| 5 | 93 |
| 6 | 169 |
| 7 | 287 |
| 8 | 361 |
| 9 | 529 |
| 10 | 802 |
| 11 | 934 |
| 12 | 1333 |
| 13 | 1681 |
| 14 | 1754 |
| 15 | 2209 |
| 16 | 2809 |
| 17 | 2966 |
| 18 | 3482 |
| 19 | 4453 |
| 20 | 5041 |
| 21 | 5329 |
| 22 | 6241 |
| 23 | 5378 |
| 24 | 6374 |
| 25 | 9167 |