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 | 7 |
| 5 | 12 |
| 6 | 47 |
| 7 | 99 |
| 8 | 430 |
| 9 | 1379 |
| 10 | 5613 |
| 11 | 21416 |
| 12 | 127303 |
| 13 | 532201 |
| 14 | 3133846 |
| 15 | 18776715 |
| 16 | 114275757 |
| 17 | 737859014 |