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 | 4 |
| 2 | 7 |
| 3 | 8 |
| 4 | 28 |
| 5 | 32 |
| 6 | 81 |
| 7 | 669 |
| 8 | 1108 |
| 9 | 1699 |
| 10 | 1839 |
| 11 | 2319 |
| 12 | 9566 |
| 13 | 14866 |
| 14 | 30855 |
| 15 | 35932 |
| 16 | 56048 |
| 17 | 70915 |
| 18 | 72578 |