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 | 7 |
| 3 | 8 |
| 4 | 55 |
| 5 | 62 |
| 6 | 435 |
| 7 | 497 |
| 8 | 3440 |
| 9 | 3937 |
| 10 | 27208 |
| 11 | 31145 |
| 12 | 215199 |
| 13 | 246344 |
| 14 | 1702099 |
| 15 | 1948443 |
| 16 | 13462620 |