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 | 3 |
| 3 | 6 |
| 4 | 10 |
| 5 | 26 |
| 6 | 30 |
| 7 | 86 |
| 8 | 154 |
| 9 | 350 |
| 10 | 514 |
| 11 | 1542 |
| 12 | 1930 |
| 13 | 5882 |
| 14 | 9086 |
| 15 | 16242 |
| 16 | 30098 |
| 17 | 93474 |
| 18 | 116174 |
| 19 | 368318 |
| 20 | 547218 |
| 21 | 1050842 |
| 22 | 1813030 |
| 23 | 5703414 |
| 24 | 7256850 |
| 25 | 19610282 |
| 26 | 33509306 |
| 27 | 77004470 |
| 28 | 122302250 |
| 29 | 393465466 |
| 30 | 399187282 |
| 31 | 1302847262 |
| 32 | 2380228834 |
| 33 | 4947581482 |
| 34 | 8604927394 |