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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 7 |
| 5 | 8 |
| 6 | 12 |
| 7 | 20 |
| 8 | 86 |
| 9 | 94 |
| 10 | 118 |
| 11 | 160 |
| 12 | 179 |
| 13 | 287 |
| 14 | 315 |
| 15 | 22588 |
| 16 | 49419 |
| 17 | 66011 |
| 18 | 80779 |
| 19 | 651661 |
| 20 | 1078390 |
| 21 | 1093865 |
| 22 | 4254100 |
| 23 | 27153191 |
| 24 | 108815387 |
| 25 | 220864645 |
| 26 | 798937058 |
| 27 | 992296124 |
| 28 | 2196903274 |
| 29 | 17524412379 |
| 30 | 22828187385 |