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 | 2 |
| 2 | 92 |
| 3 | 792 |
| 4 | 9792 |
| 5 | 69792 |
| 6 | 369792 |
| 7 | 2369792 |
| 8 | 62369792 |
| 9 | 262369792 |
| 10 | 7262369792 |
| 11 | 27262369792 |
| 12 | 27262369792 |
| 13 | 27262369792 |
| 14 | 80027262369792 |
| 15 | 580027262369792 |
| 16 | 4580027262369792 |
| 17 | 14580027262369792 |
| 18 | 914580027262369792 |