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 | 10 |
| 3 | 98 |
| 4 | 982 |
| 5 | 10062 |
| 6 | 105024 |
| 7 | 1112757 |
| 8 | 11934910 |
| 9 | 129307100 |
| 10 | 1412855500 |
| 11 | 15548498902 |
| 12 | 172168201088 |
| 13 | 1916619748084 |
| 14 | 21436209373224 |
| 15 | 240741065193282 |
| 16 | 2713584138389838 |
| 17 | 30687358107371442 |
| 18 | 348061628432108352 |