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 | 5 |
| 3 | 7 |
| 4 | 11 |
| 5 | 19 |
| 6 | 22 |
| 7 | 29 |
| 8 | 47 |
| 9 | 58 |
| 10 | 71 |
| 11 | 127 |
| 12 | 142 |
| 13 | 191 |
| 14 | 446 |
| 15 | 508 |
| 16 | 607 |
| 17 | 758 |
| 18 | 1087 |
| 19 | 1214 |