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 | 6 |
| 3 | 17 |
| 4 | 18 |
| 5 | 69 |
| 6 | 70 |
| 7 | 297 |
| 8 | 298 |
| 9 | 299 |
| 10 | 300 |
| 11 | 301 |
| 12 | 302 |
| 13 | 303 |
| 14 | 304 |
| 15 | 305 |
| 16 | 306 |
| 17 | 307 |
| 18 | 464 |
| 19 | 465 |
| 20 | 466 |
| 21 | 467 |
| 22 | 624 |
| 23 | 625 |
| 24 | 1810 |
| 25 | 1811 |
| 26 | 1812 |