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 | 5 |
| 2 | 36 |
| 3 | 240 |
| 4 | 311 |
| 5 | 16277 |
| 6 | 130638 |
| 7 | 218918 |
| 8 | 9186778 |
| 9 | 274452156 |
| 10 | 4611108324 |
| 11 | 12941709050 |