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 | 10 |
| 4 | 11 |
| 5 | 12 |
| 6 | 14 |
| 7 | 29 |
| 8 | 53 |
| 9 | 81 |
| 10 | 90 |
| 11 | 116 |
| 12 | 236 |
| 13 | 323 |
| 14 | 346 |
| 15 | 1172 |
| 16 | 2957 |
| 17 | 8400 |
| 18 | 14906 |