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 | 43 |
| 2 | 67 |
| 3 | 86 |
| 4 | 118 |
| 5 | 129 |
| 6 | 161 |
| 7 | 301 |
| 8 | 517 |
| 9 | 563 |
| 10 | 597 |
| 11 | 669 |
| 12 | 827 |
| 13 | 1238 |
| 14 | 1357 |
| 15 | 1389 |
| 16 | 2253 |
| 17 | 2901 |
| 18 | 3101 |
| 19 | 3437 |
| 20 | 4413 |
| 21 | 4613 |
| 22 | 7061 |
| 23 | 7653 |