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 | 0 |
| 2 | 0 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 11 |
| 7 | 13 |
| 8 | 17 |
| 9 | 30 |
| 10 | 36 |
| 11 | 46 |
| 12 | 50 |
| 13 | 60 |
| 14 | 70 |
| 15 | 74 |
| 16 | 84 |
| 17 | 117 |
| 18 | 131 |
| 19 | 139 |
| 20 | 157 |
| 21 | 171 |
| 22 | 177 |
| 23 | 193 |
| 24 | 207 |
| 25 | 221 |
| 26 | 237 |
| 27 | 294 |
| 28 | 310 |
| 29 | 330 |
| 30 | 348 |