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 | 4 |
| 3 | 5 |
| 4 | 16 |
| 5 | 21 |
| 6 | 64 |
| 7 | 85 |
| 8 | 256 |
| 9 | 341 |
| 10 | 1024 |
| 11 | 1365 |
| 12 | 4097 |
| 13 | 5462 |
| 14 | 16393 |
| 15 | 21854 |
| 16 | 65594 |
| 17 | 87448 |
| 18 | 262467 |
| 19 | 349915 |
| 20 | 1050235 |
| 21 | 1400150 |
| 22 | 4202409 |
| 23 | 5602558 |
| 24 | 16815516 |