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 | 6 |
| 3 | 7 |
| 4 | 37 |
| 5 | 43 |
| 6 | 233 |
| 7 | 276 |
| 8 | 1469 |
| 9 | 1745 |
| 10 | 9266 |
| 11 | 11011 |
| 12 | 58449 |
| 13 | 69460 |
| 14 | 368695 |
| 15 | 438155 |
| 16 | 2325725 |
| 17 | 2763880 |
| 18 | 14670658 |