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 | 1 |
| 2 | 3 |
| 3 | 23 |
| 4 | 36 |
| 5 | 39 |
| 6 | 56 |
| 7 | 75 |
| 8 | 83 |
| 9 | 119 |
| 10 | 120 |
| 11 | 176 |
| 12 | 183 |
| 13 | 228 |
| 14 | 683 |
| 15 | 1520 |