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 | 0 |
| 2 | 7 |
| 3 | 70 |
| 4 | 703 |
| 5 | 7026 |
| 6 | 70229 |
| 7 | 702309 |
| 8 | 7023027 |
| 9 | 70230484 |
| 10 | 702304875 |
| 11 | 7023049293 |
| 12 | 70230492763 |
| 13 | 702304928492 |
| 14 | 7023049277919 |
| 15 | 70230492773355 |
| 16 | 702304927727064 |
| 17 | 7023049277265686 |
| 18 | 70230492772676557 |