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 | 7 |
| 2 | 67 |
| 3 | 207 |
| 4 | 1991 |
| 5 | 14003 |
| 6 | 130335 |
| 7 | 1154141 |
| 8 | 10172515 |
| 9 | 86975297 |
| 10 | 715749943 |
| 11 | 5655832367 |
| 12 | 43083514447 |
| 13 | 318775210489 |
| 14 | 2309920909887 |