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 | 5 |
| 3 | 6 |
| 4 | 7 |
| 5 | 10 |
| 6 | 11 |
| 7 | 15 |
| 8 | 16 |
| 9 | 34 |
| 10 | 44 |
| 11 | 63 |
| 12 | 66 |
| 13 | 168 |
| 14 | 427 |
| 15 | 575 |
| 16 | 928 |
| 17 | 1094 |
| 18 | 1218 |
| 19 | 1363 |
| 20 | 1713 |
| 21 | 5278 |
| 22 | 10814 |