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) |
|---|---|
| 7 | 1 |
| 8 | 30 |
| 9 | 536 |
| 10 | 7473 |
| 11 | 90223 |
| 12 | 995191 |
| 13 | 10354804 |
| 14 | 103779309 |
| 15 | 1016654053 |
| 16 | 9840330258 |
| 17 | 94884791378 |
| 18 | 917358452410 |
| 19 | 8938608738199 |
| 20 | 88139900141632 |
| 21 | 882388425916186 |
| 22 | 8991438542446875 |
| 23 | 93434278760386701 |
| 24 | 991477889069432577 |
| 25 | 10753621593467498170 |
| 26 | 119276548511953973463 |