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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 10 |
| 7 | 11 |
| 8 | 12 |
| 9 | 15 |
| 10 | 17 |
| 11 | 29 |
| 12 | 48 |
| 13 | 63 |
| 14 | 77 |
| 15 | 88 |
| 16 | 187 |
| 17 | 190 |
| 18 | 338 |
| 19 | 1133 |
| 20 | 1311 |
| 21 | 1832 |
| 22 | 2782 |
| 23 | 2907 |
| 24 | 3180 |
| 25 | 3272 |
| 26 | 5398 |
| 27 | 17530 |