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 | 2 |
| 2 | 8 |
| 3 | 13 |
| 4 | 47 |
| 5 | 76 |
| 6 | 274 |
| 7 | 443 |
| 8 | 1597 |
| 9 | 2582 |
| 10 | 9308 |
| 11 | 15049 |
| 12 | 54251 |
| 13 | 87712 |
| 14 | 316198 |
| 15 | 511223 |
| 16 | 1842937 |
| 17 | 2979626 |
| 18 | 10741424 |
| 19 | 17366533 |
| 20 | 62605607 |
| 21 | 101219572 |
| 22 | 364892218 |
| 23 | 589950899 |
| 24 | 2126747701 |
| 25 | 3438485822 |
| 26 | 12395593988 |
| 27 | 20040964033 |
| 28 | 72246816227 |
| 29 | 116807298376 |