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 | 3 |
| 3 | 8 |
| 4 | 24 |
| 5 | 76 |
| 6 | 284 |
| 7 | 1195 |
| 8 | 5832 |
| 9 | 32254 |
| 10 | 201417 |
| 11 | 1400068 |
| 12 | 10724115 |
| 13 | 89584802 |
| 14 | 809190807 |
| 15 | 7844705449 |