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 | 2 |
| 2 | 19 |
| 3 | 83 |
| 4 | 223 |
| 5 | 277 |
| 6 | 499 |
| 7 | 1327 |
| 8 | 1747 |
| 9 | 2857 |
| 10 | 11351 |
| 11 | 10831 |
| 12 | 11801 |
| 13 | 12239 |
| 14 | 12211 |
| 15 | 18127 |
| 16 | 21787 |
| 17 | 36709 |
| 18 | 30763 |
| 19 | 16703 |