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 | 5 |
| 3 | 12 |
| 4 | 17 |
| 5 | 25 |
| 6 | 55 |
| 7 | 83 |
| 8 | 169 |
| 9 | 206 |
| 10 | 384 |
| 11 | 953 |
| 12 | 1615 |
| 13 | 2192 |
| 14 | 2197 |
| 15 | 3023 |
| 16 | 10709 |
| 17 | 10935 |
| 18 | 29508 |
| 19 | 62735 |
| 20 | 94332 |
| 21 | 196966 |
| 22 | 314940 |
| 23 | 608777 |
| 24 | 1258688 |
| 25 | 1767259 |
| 26 | 2448973 |
| 27 | 7939362 |
| 28 | 9373134 |
| 29 | 16854966 |
| 30 | 16854967 |
| 31 | 32881913 |
| 32 | 41084049 |
| 33 | 83715318 |
| 34 | 90288054 |
| 35 | 151449026 |
| 36 | 315082003 |
| 37 | 327952702 |
| 38 | 384935466 |
| 39 | 720004431 |