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 | 81 |
| 2 | 1782 |
| 3 | 26973 |
| 4 | 359964 |
| 5 | 4499955 |
| 6 | 53999946 |
| 7 | 629999937 |
| 8 | 7199999928 |
| 9 | 80999999919 |
| 10 | 899999999910 |
| 11 | 9899999999901 |
| 12 | 107999999999892 |
| 13 | 1169999999999883 |
| 14 | 12599999999999874 |
| 15 | 134999999999999865 |
| 16 | 1439999999999999856 |
| 17 | 15299999999999999847 |
| 18 | 161999999999999999838 |