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 | 6 |
| 5 | 14 |
| 6 | 42 |
| 7 | 46 |
| 8 | 1806 |
| 9 | 2185 |
| 10 | 4758 |
| 11 | 5266 |
| 12 | 10895 |
| 13 | 24342 |
| 14 | 26495 |
| 15 | 44063 |
| 16 | 52793 |
| 17 | 381826 |
| 18 | 543026 |
| 19 | 547311 |
| 20 | 805002 |