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 | 23 |
| 3 | 31 |
| 4 | 35 |
| 5 | 124 |
| 6 | 323 |
| 7 | 2787 |
| 8 | 5717 |
| 9 | 6506 |
| 10 | 8980 |
| 11 | 106817 |
| 12 | 109773 |
| 13 | 125244 |
| 14 | 242974 |
| 15 | 246353 |