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 | 6 |
| 2 | 7 |
| 3 | 11 |
| 4 | 12 |
| 5 | 20 |
| 6 | 27 |
| 7 | 28 |
| 8 | 40 |
| 9 | 44 |
| 10 | 60 |
| 11 | 71 |
| 12 | 84 |
| 13 | 108 |
| 14 | 118 |
| 15 | 145 |
| 16 | 156 |
| 17 | 160 |
| 18 | 211 |
| 19 | 263 |
| 20 | 295 |
| 21 | 296 |
| 22 | 304 |
| 23 | 306 |
| 24 | 316 |
| 25 | 351 |
| 26 | 474 |
| 27 | 488 |
| 28 | 495 |