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 | 8 |
| 2 | 64 |
| 3 | 200 |
| 4 | 643 |
| 5 | 1835 |
| 6 | 4534 |
| 7 | 11511 |
| 8 | 27012 |
| 9 | 62814 |
| 10 | 144676 |
| 11 | 325111 |
| 12 | 733469 |
| 13 | 1635998 |
| 14 | 3639007 |
| 15 | 8091148 |
| 16 | 17910532 |
| 17 | 39681294 |
| 18 | 87775953 |
| 19 | 194044225 |
| 20 | 429056388 |
| 21 | 947971827 |
| 22 | 2094875648 |
| 23 | 4628499152 |
| 24 | 10225059546 |
| 25 | 22590584639 |
| 26 | 49903794405 |