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 | 7 |
| 3 | 17 |
| 4 | 19 |
| 5 | 53 |
| 6 | 83 |
| 7 | 227 |
| 8 | 461 |
| 9 | 2221 |
| 10 | 3547 |
| 11 | 9029 |
| 12 | 119087 |