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) |
|---|---|
| 2 | 101 |
| 3 | 1021 |
| 4 | 10223 |
| 5 | 10243 |
| 6 | 1015423 |
| 7 | 10152463 |
| 8 | 10235647 |
| 9 | 1012356487 |
| 10 | 10123457689 |