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 | 8 |
| 2 | 10 |
| 3 | 23 |
| 4 | 46 |
| 5 | 97 |
| 6 | 283 |
| 7 | 687 |
| 8 | 1642 |
| 9 | 3949 |
| 10 | 10169 |
| 11 | 25010 |
| 12 | 60900 |
| 13 | 149264 |
| 14 | 373120 |
| 15 | 920574 |
| 16 | 2259062 |
| 17 | 5562698 |
| 18 | 13784985 |
| 19 | 34019145 |
| 20 | 83759406 |
| 21 | 206523981 |
| 22 | 510324559 |
| 23 | 1259274155 |
| 24 | 3104524302 |
| 25 | 7657989177 |
| 26 | 18904333224 |
| 27 | 46644705875 |
| 28 | 115050987507 |