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) |
|---|---|
| 0 | 6 |
| 1 | 87 |
| 2 | 481 |
| 3 | 1992 |
| 4 | 6969 |
| 5 | 15409 |
| 6 | 35202 |
| 7 | 58422 |
| 8 | 107677 |
| 9 | 159138 |
| 10 | 268572 |
| 11 | 350860 |
| 12 | 557049 |