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 | 4 |
| 2 | 11 |
| 3 | 26 |
| 4 | 56 |
| 5 | 112 |
| 6 | 210 |
| 7 | 372 |
| 8 | 627 |
| 9 | 1012 |
| 10 | 1573 |
| 11 | 2366 |
| 12 | 3458 |
| 13 | 4928 |
| 14 | 6868 |
| 15 | 9384 |
| 16 | 12597 |
| 17 | 16644 |
| 18 | 21679 |
| 19 | 27874 |
| 20 | 35420 |
| 21 | 44528 |
| 22 | 55430 |
| 23 | 68380 |
| 24 | 83655 |
| 25 | 101556 |
| 26 | 122409 |
| 27 | 146566 |
| 28 | 174406 |
| 29 | 206336 |
| 30 | 242792 |