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 | 105 |
| 2 | 455 |
| 3 | 2988 |
| 4 | 26128 |
| 5 | 258764 |
| 6 | 2677258 |
| 7 | 28013887 |
| 8 | 293553638 |
| 9 | 3072062072 |
| 10 | 32084334808 |