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 | 3 |
| 2 | 4 |
| 3 | 8 |
| 4 | 28 |
| 5 | 52 |
| 6 | 56 |
| 7 | 82 |
| 8 | 1472 |
| 9 | 1484 |
| 10 | 8669 |
| 11 | 10886 |
| 12 | 20804 |
| 13 | 32606 |
| 14 | 36392 |
| 15 | 57005 |
| 16 | 61628 |
| 17 | 88652 |
| 18 | 89732 |