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 | 1 |
| 1 | 43 |
| 2 | 505 |
| 3 | 3067 |
| 4 | 12559 |
| 5 | 39733 |
| 6 | 104959 |
| 7 | 242845 |
| 8 | 507781 |
| 9 | 980407 |
| 10 | 1775005 |
| 11 | 3047815 |
| 12 | 5006275 |
| 13 | 7919185 |
| 14 | 12127795 |
| 15 | 18057817 |
| 16 | 26232361 |
| 17 | 37285795 |
| 18 | 51978529 |
| 19 | 71212723 |
| 20 | 96048919 |
| 21 | 127723597 |
| 22 | 167667655 |