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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 10 |
| 6 | 12 |
| 7 | 14 |
| 8 | 19 |
| 9 | 31 |
| 10 | 46 |
| 11 | 74 |
| 12 | 75 |
| 13 | 98 |
| 14 | 102 |
| 15 | 126 |
| 16 | 180 |
| 17 | 236 |
| 18 | 310 |
| 19 | 368 |
| 20 | 1770 |
| 21 | 1858 |
| 22 | 3512 |
| 23 | 4878 |
| 24 | 5730 |
| 25 | 7547 |
| 26 | 7990 |
| 27 | 8636 |
| 28 | 9378 |
| 29 | 11262 |